diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 06609b8ccf..26028cba5a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,10 +23,6 @@ concurrency:
 env:
   DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
   DOTNET_CLI_TELEMETRY_OPTOUT: true
-  # The Windows runner image has PostgreSQL pre-installed and sets the PGPASSWORD environment variable to "root".
-  # This conflicts with the default password "postgres", which is used by ikalnytskyi/action-setup-postgres.
-  # Because action-setup-postgres forgets to update the environment variable accordingly, we do so here.
-  PGPASSWORD: "postgres"
 
 jobs:
   build-and-test:
@@ -42,7 +38,7 @@ jobs:
     - name: Tune GitHub-hosted runner network
       uses: smorimoto/tune-github-hosted-runner-network@v1
     - name: Setup PostgreSQL
-      uses: ikalnytskyi/action-setup-postgres@v4
+      uses: ikalnytskyi/action-setup-postgres@v5
       with:
         username: postgres
         password: postgres