diff --git a/2.4/Dockerfile b/2.4/Dockerfile
index 6bd14bd..dacc4b6 100644
--- a/2.4/Dockerfile
+++ b/2.4/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
 
 # add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added
 #RUN groupadd -r www-data && useradd -r --create-home -g www-data www-data
@@ -85,7 +85,7 @@ RUN set -eux; \
 # see https://httpd.apache.org/download.cgi#verify
 	ddist 'httpd.tar.bz2.asc' "httpd/httpd-$HTTPD_VERSION.tar.bz2.asc"; \
 	export GNUPGHOME="$(mktemp -d)"; \
-# $ docker run --rm buildpack-deps:bullseye-curl bash -c 'wget -qO- https://downloads.apache.org/httpd/KEYS | gpg --batch --import &> /dev/null && gpg --batch --list-keys --with-fingerprint --with-colons' | awk -F: '$1 == "pub" && $2 == "-" { pub = 1 } pub && $1 == "fpr" { fpr = $10 } $1 == "sub" { pub = 0 } pub && fpr && $1 == "uid" && $2 == "-" { print "#", $10; print "\t\t" fpr " \\"; pub = 0 }'
+# $ docker run --rm buildpack-deps:bookworm-curl bash -c 'wget -qO- https://downloads.apache.org/httpd/KEYS | gpg --batch --import &> /dev/null && gpg --batch --list-keys --with-fingerprint --with-colons' | awk -F: '$1 == "pub" && $2 == "-" { pub = 1 } pub && $1 == "fpr" { fpr = $10 } $1 == "sub" { pub = 0 } pub && fpr && $1 == "uid" && $2 == "-" { print "#", $10; print "\t\t" fpr " \\"; pub = 0 }'
 	for key in \
 # Rodent of Unusual Size (DSA) <coar@ACM.Org>
 		DE29FB3971E71543FD2DC049508EAEC5302DA568 \
diff --git a/2.4/alpine/Dockerfile b/2.4/alpine/Dockerfile
index 949a741..5694d7d 100644
--- a/2.4/alpine/Dockerfile
+++ b/2.4/alpine/Dockerfile
@@ -93,7 +93,7 @@ RUN set -eux; \
 # see https://httpd.apache.org/download.cgi#verify
 	ddist 'httpd.tar.bz2.asc' "httpd/httpd-$HTTPD_VERSION.tar.bz2.asc"; \
 	export GNUPGHOME="$(mktemp -d)"; \
-# $ docker run --rm buildpack-deps:bullseye-curl bash -c 'wget -qO- https://downloads.apache.org/httpd/KEYS | gpg --batch --import &> /dev/null && gpg --batch --list-keys --with-fingerprint --with-colons' | awk -F: '$1 == "pub" && $2 == "-" { pub = 1 } pub && $1 == "fpr" { fpr = $10 } $1 == "sub" { pub = 0 } pub && fpr && $1 == "uid" && $2 == "-" { print "#", $10; print "\t\t" fpr " \\"; pub = 0 }'
+# $ docker run --rm buildpack-deps:bookworm-curl bash -c 'wget -qO- https://downloads.apache.org/httpd/KEYS | gpg --batch --import &> /dev/null && gpg --batch --list-keys --with-fingerprint --with-colons' | awk -F: '$1 == "pub" && $2 == "-" { pub = 1 } pub && $1 == "fpr" { fpr = $10 } $1 == "sub" { pub = 0 } pub && fpr && $1 == "uid" && $2 == "-" { print "#", $10; print "\t\t" fpr " \\"; pub = 0 }'
 	for key in \
 # Rodent of Unusual Size (DSA) <coar@ACM.Org>
 		DE29FB3971E71543FD2DC049508EAEC5302DA568 \
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index 9c394ca..784b127 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -88,8 +88,8 @@ for version in "${versions[@]}"; do
 
 		variantParent="$(awk 'toupper($1) == "FROM" { print $2 }' "$dir/Dockerfile")"
 
-		suite="${variantParent#*:}" # "bullseye-slim", "bullseye"
-		suite="${suite%-slim}" # "bullseye"
+		suite="${variantParent#*:}" # "bookworm-slim", "bookworm"
+		suite="${suite%-slim}" # "bookworm"
 
 		if [ "$variant" = 'alpine' ]; then
 			suite="alpine$suite" # "alpine3.15"