diff --git a/.github/workflows/cs.yml b/.github/workflows/cs.yml
index c128cbc..83d9622 100644
--- a/.github/workflows/cs.yml
+++ b/.github/workflows/cs.yml
@@ -17,7 +17,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         php:
-          - '8.2'
+          - '8.1'
       fail-fast: true
     name: PHP ${{ matrix.php }}
     steps:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dca31ab..cb39e30 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,6 +18,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         php:
+          - '8.1'
           - '8.2'
           - '8.3'
         deps:
@@ -36,7 +37,7 @@ jobs:
         experimental: [false]
         include:
           - os: ubuntu-latest
-            php: '8.2'
+            php: '8.1'
             phpstan: 1
           - os: ubuntu-latest
             php: '8.3'
@@ -50,6 +51,10 @@ jobs:
             psr17: 'nyholm/psr7:^1.8'
             psr18: 'symfony/http-client:^7.1'
             experimental: true
+        exclude:
+          - os: ubuntu-latest
+            php: 8.1
+            psr18: symfony/http-client:^7.1
       fail-fast: true
     name: 'PHP ${{ matrix.php }} / ${{ matrix.deps }} (PSR-17: ${{ matrix.psr17 }}) (PSR-18: ${{ matrix.psr18 }})'
     steps: