diff --git a/deps-packaging/libcurl-hub/cfbuild-libcurl-hub.spec b/deps-packaging/libcurl-hub/cfbuild-libcurl-hub.spec
index 3da0d58e3..bc9a1045d 100644
--- a/deps-packaging/libcurl-hub/cfbuild-libcurl-hub.spec
+++ b/deps-packaging/libcurl-hub/cfbuild-libcurl-hub.spec
@@ -1,4 +1,4 @@
-%define curl_version 8.16.0
+%define curl_version 8.17.0
 
 Summary: CFEngine Build Automation -- libcurl
 Name: cfbuild-libcurl-hub
diff --git a/deps-packaging/libcurl-hub/distfiles b/deps-packaging/libcurl-hub/distfiles
index 6c6fbc50a..06c2470ca 100644
--- a/deps-packaging/libcurl-hub/distfiles
+++ b/deps-packaging/libcurl-hub/distfiles
@@ -1 +1 @@
-a21e20476e39eca5a4fc5cfb00acf84bbc1f5d8443ec3853ad14c26b3c85b970  curl-8.16.0.tar.gz
+e8e74cdeefe5fb78b3ae6e90cd542babf788fa9480029cfcee6fd9ced42b7910  curl-8.17.0.tar.gz
diff --git a/deps-packaging/libcurl/cfbuild-libcurl.spec b/deps-packaging/libcurl/cfbuild-libcurl.spec
index f1533f65a..592d6c389 100644
--- a/deps-packaging/libcurl/cfbuild-libcurl.spec
+++ b/deps-packaging/libcurl/cfbuild-libcurl.spec
@@ -1,4 +1,4 @@
-%define curl_version 8.16.0
+%define curl_version 8.17.0
 
 Summary: CFEngine Build Automation -- libcurl
 Name: cfbuild-libcurl
@@ -46,9 +46,6 @@ mkdir -p %{_builddir}
 
 %build
 
-# Fix implicit declaration of function 'fopen' after upgrading to curl 8.16.0.
-patch -p1 < %{_topdir}/SOURCES/implicit-decl-fopen.patch
-
 make
 
 %install
diff --git a/deps-packaging/libcurl/distfiles b/deps-packaging/libcurl/distfiles
index 6c6fbc50a..06c2470ca 100644
--- a/deps-packaging/libcurl/distfiles
+++ b/deps-packaging/libcurl/distfiles
@@ -1 +1 @@
-a21e20476e39eca5a4fc5cfb00acf84bbc1f5d8443ec3853ad14c26b3c85b970  curl-8.16.0.tar.gz
+e8e74cdeefe5fb78b3ae6e90cd542babf788fa9480029cfcee6fd9ced42b7910  curl-8.17.0.tar.gz
diff --git a/deps-packaging/libcurl/implicit-decl-fopen.patch b/deps-packaging/libcurl/implicit-decl-fopen.patch
deleted file mode 100644
index e8320bdf1..000000000
--- a/deps-packaging/libcurl/implicit-decl-fopen.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-diff -ruN curl-8.16.0/lib/curl_mem_undef.h curl-8.16.0-modified/lib/curl_mem_undef.h
---- curl-8.16.0/lib/curl_mem_undef.h    2025-09-10 07:43:43.000000000 +0200
-+++ curl-8.16.0-modified/lib/curl_mem_undef.h   2025-09-24 16:51:34.546034324 +0200
-@@ -44,6 +44,8 @@
- #undef socketpair
- #endif
-
-+#ifdef CURLDEBUG
-+
- #undef fopen
- #ifdef CURL_FOPEN
- #define fopen(fname, mode) CURL_FOPEN(fname, mode)
-@@ -51,5 +53,7 @@
- #undef fdopen
- #undef fclose
-
-+#endif /* CURLDEBUG */
-+
- #undef HEADER_CURL_MEMORY_H
- #undef HEADER_CURL_MEMDEBUG_H