diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 7fcdf254..dd737c22 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       matrix:
         php: [ '8.0', '8.1' ]
-        imagemagick: [ '6.9.12-43', '7.1.0-28' ]
+        imagemagick: [ '6.9.12-55', '7.1.0-40' ]
         imagick: [ '3.7.0' ]
         stability: [ prefer-lowest, prefer-stable ]