diff --git a/.github/workflows/publish-technical-documentation-release.yml b/.github/workflows/publish-technical-documentation-release.yml
index 222c75760..1063585df 100644
--- a/.github/workflows/publish-technical-documentation-release.yml
+++ b/.github/workflows/publish-technical-documentation-release.yml
@@ -34,7 +34,7 @@ jobs:
         with:
           ref_name: ${{ github.ref_name }}
           release_tag_regexp: '^v(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$'
-          release_branch_regexp: '^release-v(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$'
+          release_branch_regexp: '^release-(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$'
 
       - name: Determine technical documentation version
         if: steps.has-matching-release-tag.outputs.bool == 'true'