diff --git a/.github/actions/lint-drawio/action.yml b/.github/actions/lint-drawio/action.yml
deleted file mode 100644
index 762e1880..00000000
--- a/.github/actions/lint-drawio/action.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-name: Lint draw.io
-
-runs:
-  using: "composite"
-  steps:
-    - name: Verify number of diagrams
-      shell: bash
-      run: |
-        function err {
-          >&2 echo -e "\033[0;31m$@\033[0m"
-        }
-
-        rc=0
-
-        while read -r file; do
-          echo "Checking $file"
-
-          if [[ $(grep "<diag" "$file" | wc -l) -ne 1 ]]; then
-            err "$file does not contain exactly one diagram"
-            rc=1
-          fi
-        done < <(find . -name "*.drawio")
-
-        exit $rc
diff --git a/.github/actions/lint-plantuml/action.yml b/.github/actions/lint-plantuml/action.yml
deleted file mode 100644
index 281fdacc..00000000
--- a/.github/actions/lint-plantuml/action.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-name: Lint PlantUML
-
-runs:
-  using: "composite"
-  steps:
-    - name: Verify absence of output file names
-      shell: bash
-      run: |
-        function err {
-          >&2 echo -e "\033[0;31m$@\033[0m"
-        }
-
-        rc=0
-
-        while read -r file; do
-          echo "Checking $file"
-
-          if grep -qE "^@startuml\s+." "$file"; then
-            err "$file contains forbidden output name in @startuml"
-            rc=1
-          fi
-        done < <(find . -name "*.puml")
-
-        exit $rc
diff --git a/.github/workflows/generate-images.yml b/.github/workflows/generate-images.yml
index 1f756b99..b3847e20 100644
--- a/.github/workflows/generate-images.yml
+++ b/.github/workflows/generate-images.yml
@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Lint draw.io sources
-        uses: ./.github/actions/lint-drawio
+        uses: gematik/github-image-actions/.github/actions/lint-drawio@2b70671f414528810d7d1e2236a73137ca2857a9
 
       - name: Set up Xvfb & draw.io desktop
         run: |
@@ -69,7 +69,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Lint PlantUML sources
-        uses: ./.github/actions/lint-plantuml
+        uses: gematik/github-image-actions/.github/actions/lint-plantuml@2b70671f414528810d7d1e2236a73137ca2857a9
 
       - name: Set up Java
         uses: actions/setup-java@v4
@@ -132,7 +132,7 @@ jobs:
           path: ${{ env.OUTDIR }}
 
       - name: Lint AsciiDoc
-        uses: gematik/github-image-actions/.github/actions/lint-asciidoc@3cf56f699ca4390d49689454336792c1ad787f83
+        uses: gematik/github-image-actions/.github/actions/lint-asciidoc@2b70671f414528810d7d1e2236a73137ca2857a9
 
       - name: Add & Commit
         uses: EndBug/add-and-commit@v9
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 9fa57070..cd3730db 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Lint
-        uses: ./.github/actions/lint-drawio
+        uses: gematik/github-image-actions/.github/actions/lint-drawio@2b70671f414528810d7d1e2236a73137ca2857a9
 
   jsonschema:
     runs-on: ubuntu-latest
@@ -47,4 +47,4 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Lint
-        uses: ./.github/actions/lint-plantuml
+        uses: gematik/github-image-actions/.github/actions/lint-plantuml@2b70671f414528810d7d1e2236a73137ca2857a9