diff --git a/postgres/13/Dockerfile b/postgres/13/Dockerfile
index 4dfc3f5..5476437 100644
--- a/postgres/13/Dockerfile
+++ b/postgres/13/Dockerfile
@@ -91,7 +91,7 @@ RUN curl -sSL "https://github.com/pgpartman/pg_partman/archive/v${POSTGRESQL_PG_
 RUN install_packages binutils
 RUN find "${POSTGRESQL_BASE_DIR}" -type f -name '*.o' -o -perm /u=x,g=x,o=x -exec strip {} \; || true
 
-FROM debian:11-slim
+FROM debian:13-slim
 
 ARG EXTRA_LOCALES
 ARG TARGETARCH
diff --git a/postgres/14/Dockerfile b/postgres/14/Dockerfile
index b80131d..b08d153 100644
--- a/postgres/14/Dockerfile
+++ b/postgres/14/Dockerfile
@@ -91,7 +91,7 @@ RUN curl -sSL "https://github.com/pgpartman/pg_partman/archive/v${POSTGRESQL_PG_
 RUN install_packages binutils
 RUN find "${POSTGRESQL_BASE_DIR}" -type f -name '*.o' -o -perm /u=x,g=x,o=x -exec strip {} \; || true
 
-FROM debian:11-slim
+FROM debian:13-slim
 
 ARG EXTRA_LOCALES
 ARG TARGETARCH
diff --git a/postgres/18/Dockerfile b/postgres/18/Dockerfile
index a4f5a77..acafa1a 100644
--- a/postgres/18/Dockerfile
+++ b/postgres/18/Dockerfile
@@ -87,7 +87,7 @@ RUN curl -sSL "https://github.com/pgpartman/pg_partman/archive/refs/tags/v${POST
 RUN install_packages binutils
 RUN find "${POSTGRESQL_BASE_DIR}" -type f -name '*.o' -o -perm /u=x,g=x,o=x -exec strip {} \; || true
 
-FROM debian:11-slim
+FROM debian:13-slim
 
 ARG EXTRA_LOCALES
 ARG TARGETARCH