Upgrade erlang versions for CI
diff --git a/bin/install-dependencies.sh b/bin/install-dependencies.sh
index 544e10f..9811d7e 100755
--- a/bin/install-dependencies.sh
+++ b/bin/install-dependencies.sh
@@ -30,7 +30,7 @@
 
 # Defaults updated 2023-03-20
 NODEVERSION=${NODEVERSION:-20}
-ERLANGVERSION=${ERLANGVERSION:-26.2.5.11}
+ERLANGVERSION=${ERLANGVERSION:-26.2.5.15}
 ELIXIRVERSION=${ELIXIRVERSION:-v1.18.4}
 
 
diff --git a/pull-all-couchdbdev-docker b/pull-all-couchdbdev-docker
index b61d15e..a1b3194 100644
--- a/pull-all-couchdbdev-docker
+++ b/pull-all-couchdbdev-docker
@@ -4,15 +4,16 @@
 
 # These are the images that are currently being used, so don't `docker rmi` them on cleanup.
 KEEP_IMAGES=(
-couchdbci-debian:trixie-erlang:28.0.2
-couchdbci-debian:trixie-erlang:27.3.4.2
-couchdbci-debian:trixie-erlang-26.2.5.14
-couchdbci-debian:bookworm-erlang-26.2.5.14
-couchdbci-debian:bullseye-erlang:26.2.5.14
-couchdbci-ubuntu:noble-erlang-26.2.5.14
-couchdbci-ubuntu:jammy-erlang-26.2.5.14
-couchdbci-centos:9-erlang-26.2.5.14
-couchdbci-centos:8-erlang-26.2.5.14
+couchdbci-debian:bookworm-erlang:28.0.4
+couchdbci-debian:bookworm-erlang:27.3.4.3
+couchdbci-debian:bookworm-erlang-26.2.5.15
+couchdbci-debian:bookworm-erlang-26.2.5.15
+couchdbci-debian:bullseye-erlang:26.2.5.15
+couchdbci-debian:trixie-erlang:26.2.5.15
+couchdbci-ubuntu:noble-erlang-26.2.5.15
+couchdbci-ubuntu:jammy-erlang-26.2.5.15
+couchdbci-centos:9-erlang-26.2.5.15
+couchdbci-centos:8-erlang-26.2.5.15
 )
 
 for image in ${KEEP_IMAGES[*]}