diff --git a/.github/workflows/GnuTests.yml b/.github/workflows/GnuTests.yml
index 0b9d8ce7fe..9d918ae25b 100644
--- a/.github/workflows/GnuTests.yml
+++ b/.github/workflows/GnuTests.yml
@@ -49,7 +49,7 @@ jobs:
         outputs path_GNU path_GNU_tests path_reference path_UUTILS
         #
         repo_default_branch="$DEFAULT_BRANCH"
-        repo_GNU_ref="v9.5"
+        repo_GNU_ref="9c068dae7642bca3f40ccc1655848876f2e45b11"
         repo_reference_branch="$DEFAULT_BRANCH"
         outputs repo_default_branch repo_GNU_ref repo_reference_branch
         #
diff --git a/util/build-gnu.sh b/util/build-gnu.sh
index 782e21a1a3..8243488cc4 100755
--- a/util/build-gnu.sh
+++ b/util/build-gnu.sh
@@ -60,7 +60,7 @@ fi
 
 ###
 
-release_tag_GNU="v9.5"
+release_tag_GNU="9c068dae7642bca3f40ccc1655848876f2e45b11"
 
 if test ! -d "${path_GNU}"; then
     echo "Could not find GNU coreutils (expected at '${path_GNU}')"