diff --git a/.cirrus.tasks.yml b/.cirrus.tasks.yml
index 33646faead..b14fe91cdb 100644
--- a/.cirrus.tasks.yml
+++ b/.cirrus.tasks.yml
@@ -65,7 +65,7 @@ task:
     CPUS: 4
     BUILD_JOBS: 8
     TEST_JOBS: 8
-    IMAGE_FAMILY: pg-ci-bullseye
+    IMAGE_FAMILY: pg-ci-bookworm
     CCACHE_DIR: ${CIRRUS_WORKING_DIR}/ccache_dir
     # no options enabled, should be small
     CCACHE_MAXSIZE: "150M"
@@ -243,7 +243,7 @@ task:
     CPUS: 4
     BUILD_JOBS: 4
     TEST_JOBS: 8 # experimentally derived to be a decent choice
-    IMAGE_FAMILY: pg-ci-bullseye
+    IMAGE_FAMILY: pg-ci-bookworm
 
     CCACHE_DIR: /tmp/ccache_dir
     DEBUGINFOD_URLS: "https://debuginfod.debian.net"
@@ -314,7 +314,7 @@ task:
     #DEBIAN_FRONTEND=noninteractive apt-get -y install ...
 
   matrix:
-    - name: Linux - Debian Bullseye - Autoconf
+    - name: Linux - Debian Bookworm - Autoconf
 
       env:
         SANITIZER_FLAGS: -fsanitize=address
@@ -348,7 +348,7 @@ task:
       on_failure:
         <<: *on_failure_ac
 
-    - name: Linux - Debian Bullseye - Meson
+    - name: Linux - Debian Bookworm - Meson
 
       env:
         CCACHE_MAXSIZE: "400M" # tests two different builds
@@ -375,7 +375,7 @@ task:
             ${LINUX_MESON_FEATURES} \
             -Dllvm=disabled \
             --pkg-config-path /usr/lib/i386-linux-gnu/pkgconfig/ \
-            -DPERL=perl5.32-i386-linux-gnu \
+            -DPERL=perl5.36-i386-linux-gnu \
             -DPG_TEST_EXTRA="$PG_TEST_EXTRA" \
             build-32
         EOF
@@ -651,7 +651,7 @@ task:
   env:
     CPUS: 4
     BUILD_JOBS: 4
-    IMAGE_FAMILY: pg-ci-bullseye
+    IMAGE_FAMILY: pg-ci-bookworm
 
     # Use larger ccache cache, as this task compiles with multiple compilers /
     # flag combinations