diff --git a/test_package/nbconvert/env/darwin.txt b/test_package/nbconvert/env/darwin.txt
index a638deb..07e1243 100644
--- a/test_package/nbconvert/env/darwin.txt
+++ b/test_package/nbconvert/env/darwin.txt
@@ -14,7 +14,7 @@ jinja2==3.1.6
     # via nbconvert
 jsonschema==4.25.0
     # via nbformat
-jsonschema-specifications==2025.4.1
+jsonschema-specifications==2025.9.1
     # via jsonschema
 jupyter-client==8.6.3
     # via nbclient
diff --git a/test_package/nbconvert/env/linux.txt b/test_package/nbconvert/env/linux.txt
index a638deb..07e1243 100644
--- a/test_package/nbconvert/env/linux.txt
+++ b/test_package/nbconvert/env/linux.txt
@@ -14,7 +14,7 @@ jinja2==3.1.6
     # via nbconvert
 jsonschema==4.25.0
     # via nbformat
-jsonschema-specifications==2025.4.1
+jsonschema-specifications==2025.9.1
     # via jsonschema
 jupyter-client==8.6.3
     # via nbclient
diff --git a/test_package/nbconvert/env/win32.txt b/test_package/nbconvert/env/win32.txt
index 14abe46..5f346ad 100644
--- a/test_package/nbconvert/env/win32.txt
+++ b/test_package/nbconvert/env/win32.txt
@@ -14,7 +14,7 @@ jinja2==3.1.6
     # via nbconvert
 jsonschema==4.25.0
     # via nbformat
-jsonschema-specifications==2025.4.1
+jsonschema-specifications==2025.9.1
     # via jsonschema
 jupyter-client==8.6.3
     # via nbclient