diff --git a/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFile.java b/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFile.java
index fae97fb2..2fb87987 100644
--- a/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFile.java
+++ b/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFile.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileLauncher.java b/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileLauncher.java
index d94dd37c..1870218a 100644
--- a/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileLauncher.java
+++ b/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileLauncher.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileWithGitCommandLauncher.java b/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileWithGitCommandLauncher.java
index e7dc8152..99e93524 100644
--- a/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileWithGitCommandLauncher.java
+++ b/src/main/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileWithGitCommandLauncher.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/github/checkstyle/generatepatchfile/Utils.java b/src/main/java/com/github/checkstyle/generatepatchfile/Utils.java
index 3859564b..d71221aa 100644
--- a/src/main/java/com/github/checkstyle/generatepatchfile/Utils.java
+++ b/src/main/java/com/github/checkstyle/generatepatchfile/Utils.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/github/checkstyle/generatepatchfile/package-info.java b/src/main/java/com/github/checkstyle/generatepatchfile/package-info.java
index d36dbd0f..6fff9d85 100644
--- a/src/main/java/com/github/checkstyle/generatepatchfile/package-info.java
+++ b/src/main/java/com/github/checkstyle/generatepatchfile/package-info.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/CrFilterInputStream.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/CrFilterInputStream.java
index 97d26e96..b3acd86f 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/CrFilterInputStream.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/CrFilterInputStream.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/JavaPatchFilterElement.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/JavaPatchFilterElement.java
index ed03e279..b3ce06ca 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/JavaPatchFilterElement.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/JavaPatchFilterElement.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/LoadPatchFileUtils.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/LoadPatchFileUtils.java
index 5c590151..4eeab51d 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/LoadPatchFileUtils.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/LoadPatchFileUtils.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/PatchFilterSet.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/PatchFilterSet.java
index 5dd4829c..3ba2d574 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/PatchFilterSet.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/PatchFilterSet.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/Strategy.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/Strategy.java
index 8dbf1aa5..ec0448c3 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/Strategy.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/Strategy.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionJavaPatchFilter.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionJavaPatchFilter.java
index b48fb443..3aedaac8 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionJavaPatchFilter.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionJavaPatchFilter.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilter.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilter.java
index 61737798..10d22662 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilter.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilter.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilterElement.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilterElement.java
index 066036ad..68deacf0 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilterElement.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilterElement.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/filters/package-info.java b/src/main/java/com/puppycrawl/tools/checkstyle/filters/package-info.java
index 01d9ed03..4697d34d 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/filters/package-info.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/filters/package-info.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileTest.java b/src/test/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileTest.java
index 5bd59b0c..98d01c81 100644
--- a/src/test/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileTest.java
+++ b/src/test/java/com/github/checkstyle/generatepatchfile/GeneratePatchFileTest.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/filters/AbstractPatchFilterEvaluationTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/filters/AbstractPatchFilterEvaluationTest.java
index c2aaaac1..209b31ad 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/filters/AbstractPatchFilterEvaluationTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/filters/AbstractPatchFilterEvaluationTest.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionJavaPatchFilterTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionJavaPatchFilterTest.java
index fc77a30c..8df78a8b 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionJavaPatchFilterTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionJavaPatchFilterTest.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilterTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilterTest.java
index 39dfe725..7dc1fa03 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilterTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/filters/SuppressionPatchFilterTest.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/jgit/AbstractJgitPatchParserEvaluationTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/jgit/AbstractJgitPatchParserEvaluationTest.java
index 60c0e25f..3ac82a52 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/jgit/AbstractJgitPatchParserEvaluationTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/jgit/AbstractJgitPatchParserEvaluationTest.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffOnOpenSourceTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffOnOpenSourceTest.java
index 39237bcd..ee3190cb 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffOnOpenSourceTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffOnOpenSourceTest.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffWithContextSizeDefaultTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffWithContextSizeDefaultTest.java
index 25fd6abd..b71fdc0f 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffWithContextSizeDefaultTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffWithContextSizeDefaultTest.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffWithContextSizeZeroTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffWithContextSizeZeroTest.java
index 8bff6c0e..384ec1f0 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffWithContextSizeZeroTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/jgit/GitDiffWithContextSizeZeroTest.java
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////
 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
-// Copyright (C) 2001-2025 the original author or authors.
+// Copyright (C) 2001-2026 the original author or authors.
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
diff --git a/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/context/Test.java b/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/context/Test.java
index dfde5030..e1a29ad4 100644
--- a/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/context/Test.java
+++ b/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/context/Test.java
@@ -14,4 +14,4 @@ class B {
     public int foo() {
         return 1;
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/newline/Test.java b/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/newline/Test.java
index 2ffbe50c..2dd9e4e3 100644
--- a/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/newline/Test.java
+++ b/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/newline/Test.java
@@ -18,4 +18,4 @@ class B {
     public int foo() {
         return 1;
     }
-}
\ No newline at end of file
+}
diff --git a/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/patchedline/Test.java b/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/patchedline/Test.java
index 2ffbe50c..2dd9e4e3 100644
--- a/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/patchedline/Test.java
+++ b/src/test/resources/com/puppycrawl/tools/checkstyle/filters/suppressionjavapatchfilter/design/DesignForExtension/patchedline/Test.java
@@ -18,4 +18,4 @@ class B {
     public int foo() {
         return 1;
     }
-}
\ No newline at end of file
+}