diff --git a/.github/workflows/generate-rfcs.yaml b/.github/workflows/generate-rfcs.yaml
index 234efa09..abcf9f9a 100644
--- a/.github/workflows/generate-rfcs.yaml
+++ b/.github/workflows/generate-rfcs.yaml
@@ -1,19 +1,22 @@
 name: "Generate the EBML RFC"
 # Trigger the workflow on push or pull request
-on: [push, pull_request]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
 
 jobs:
   build:
     name: "Build RFCS"
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Get pushed code
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
         with:
           fetch-depth: 1
 
       - name: Get python (for xml2rfc)
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v4
 
       - name: Setup toolchain
         run: ./bootstrap