diff --git a/.changes/20260413_093442_cardano-api_mateusz.galazyn_make_herald_validation_mandatory.yml b/.changes/20260413_093442_cardano-api_mateusz.galazyn_make_herald_validation_mandatory.yml
new file mode 100644
index 0000000000..cbf8073e4b
--- /dev/null
+++ b/.changes/20260413_093442_cardano-api_mateusz.galazyn_make_herald_validation_mandatory.yml
@@ -0,0 +1,5 @@
+description: Enable PR number validation in changelog fragments
+kind:
+- maintenance
+pr: 1183
+project: cardano-api
diff --git a/.github/workflows/check-pr-changelog.yml b/.github/workflows/check-pr-changelog.yml
index 45ceb10a98..70cdcdd5fc 100644
--- a/.github/workflows/check-pr-changelog.yml
+++ b/.github/workflows/check-pr-changelog.yml
@@ -28,6 +28,3 @@ jobs:
             accept-flake-config = true
 
       - uses: input-output-hk/cardano-dev/herald/.github/actions/validate@main
-        with:
-          # TODO: re-enable after backfill PR #1164 merges
-          pr: false