diff --git a/docker/Dockerfile b/docker/Dockerfile
index 354235a6..48913583 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -36,6 +36,8 @@ RUN --mount=type=cache,target=/var/cache/apt,id=apt_$TARGETARCH --mount=type=tmp
     # renovate: srcname=cairo
     libcairo2=1.18.0-3build1 \
     libgirepository-1.0-1=1.80.1-1 \
+    # renovate: srcname=libmemcached
+    libmemcached11t64=1.1.4-1.1build3 \
     gettext \
     tzdata=2024a-3ubuntu1.1 \
     ca-certificates=20240203 \
diff --git a/docker/tileserver.dockerfile b/docker/tileserver.dockerfile
index 739cfe22..0de9eb9f 100644
--- a/docker/tileserver.dockerfile
+++ b/docker/tileserver.dockerfile
@@ -25,6 +25,8 @@ RUN --mount=type=cache,target=/var/cache/apt,id=apt_$TARGETARCH --mount=type=tmp
     curl=8.5.0-2ubuntu10.5 \
     # renovate: srcname=pcre3
     libpcre3=2:8.39-15build1 \
+    # renovate: srcname=libmemcached
+    libmemcached11t64=1.1.4-1.1build3 \
     tzdata=2024a-3ubuntu1.1 \
     ca-certificates=20240203 \
     zstd=1.5.5+dfsg2-2build1.1