diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a6295018eb6294856e6afd9133e0acafe3a28477..9cfa45a6e48706249ab43146de7d073b8f44e3e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,7 @@ name: CI
 on:
     push:
         branches:
-        - master
+        - main
     pull_request:
     schedule:
         - cron:  '17 3 * * 0'
@@ -19,5 +19,5 @@ jobs:
                 python-version: '3.x'
         -   name: "Main Script"
             run: |
-                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/prepare-and-run-flake8.sh
+                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-flake8.sh
                 . ./prepare-and-run-flake8.sh "$(basename $GITHUB_REPOSITORY)" test/*.py
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 174d08dc3faab24429e0511b5f7ffe47a39e2f5f..4f4d93b8c1193a4ed134af6c20afaf393d3fa64a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,7 +3,7 @@ Python 3 Titan X:
   - py_version=3
   - EXTRA_INSTALL="numpy mako"
   - echo "CUDADRV_LIB_DIR = ['/usr/lib/x86_64-linux-gnu/nvidia/current']" > siteconf.py
-  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project.sh
+  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
   - "export LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH"
   - ". ./build-and-test-py-project.sh"
   tags:
@@ -17,7 +17,7 @@ Python 3 Titan V:
   - py_version=3
   - EXTRA_INSTALL="numpy mako"
   - echo "CUDADRV_LIB_DIR = ['/usr/lib/x86_64-linux-gnu/nvidia/current']" > siteconf.py
-  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project.sh
+  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
   - "export LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH"
   - ". ./build-and-test-py-project.sh"
   tags:
@@ -31,7 +31,7 @@ Python 3 K40:
   - py_version=3
   - EXTRA_INSTALL="numpy mako"
   - echo "CUDADRV_LIB_DIR = ['/usr/lib/x86_64-linux-gnu/nvidia/current']" > siteconf.py
-  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project.sh
+  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
   - "export LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH"
   - ". ./build-and-test-py-project.sh"
 
@@ -44,7 +44,7 @@ Python 3 K40:
 Documentation:
   script: |
     EXTRA_INSTALL="numpy mako"
-    curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/ci-support.sh
+    curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/ci-support.sh
     . ./ci-support.sh
      build_py_project_in_venv
      build_docs --no-check
@@ -56,7 +56,7 @@ Documentation:
 
 Flake8:
   script:
-  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/prepare-and-run-flake8.sh
+  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/main/prepare-and-run-flake8.sh
   - . ./prepare-and-run-flake8.sh "$CI_PROJECT_NAME" test/*.py
   tags:
   - python3