diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb1e97405c..8557547029 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,12 +10,12 @@ jobs:
                 os: [ubuntu-latest, macos-latest, windows-2019]
         steps:
             - name: Checkout source code
-              uses: actions/checkout@master
+              uses: actions/checkout@v3
               with:
                 fetch-depth: 10
 
             - name: Set up Python
-              uses: actions/setup-python@master
+              uses: actions/setup-python@v3
               with:
                 python-version: 3.8
 
diff --git a/Changelog.txt b/Changelog.txt
index 93362df317..3828abdeca 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -23,7 +23,7 @@
 # - title by author
 # }}}
 
-{{{ 5.40.0 2022-xx-xx
+{{{ 5.40.0 2022-04-01
 
 :: new features