diff --git a/.cirrus.yml b/.cirrus.yml
index ef396fac41..ae7a4ecded 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -26,14 +26,14 @@ env:
     ####
     #### Cache-image names to test with (double-quotes around names are critical)
     ####
-    FEDORA_NAME: "fedora-39"
+    FEDORA_NAME: "fedora-40"
     FEDORA_AARCH64_NAME: "${FEDORA_NAME}-aarch64"
-    PRIOR_FEDORA_NAME: "fedora-38"
+    PRIOR_FEDORA_NAME: "fedora-39"
     RAWHIDE_NAME: "rawhide"
     DEBIAN_NAME: "debian-13"
 
     # Image identifiers
-    IMAGE_SUFFIX: "c20240411t124913z-f39f38d13"
+    IMAGE_SUFFIX: "c20240506t132946z-f40f39d13"
 
     # EC2 images
     FEDORA_AMI: "fedora-aws-${IMAGE_SUFFIX}"