diff --git a/12/Dockerfile b/12/Dockerfile
index a6c7f55..a5e24aa 100644
--- a/12/Dockerfile
+++ b/12/Dockerfile
@@ -1,4 +1,4 @@
-FROM bfren/alpine-s6:alpine3.18-5.1.0
+FROM bfren/alpine-s6:alpine3.18-5.1.1
 
 LABEL org.opencontainers.image.source="https://github.com/bfren/docker-postgresql"
 
diff --git a/13/Dockerfile b/13/Dockerfile
index 8ceebc0..a298654 100644
--- a/13/Dockerfile
+++ b/13/Dockerfile
@@ -1,4 +1,4 @@
-FROM bfren/alpine-s6:alpine3.19-5.1.0
+FROM bfren/alpine-s6:alpine3.19-5.1.1
 
 LABEL org.opencontainers.image.source="https://github.com/bfren/docker-postgresql"
 
diff --git a/14/Dockerfile b/14/Dockerfile
index 49fe960..744e62d 100644
--- a/14/Dockerfile
+++ b/14/Dockerfile
@@ -1,4 +1,4 @@
-FROM bfren/alpine-s6:alpine3.19-5.1.0
+FROM bfren/alpine-s6:alpine3.19-5.1.1
 
 LABEL org.opencontainers.image.source="https://github.com/bfren/docker-postgresql"
 
diff --git a/15/Dockerfile b/15/Dockerfile
index ba80e21..03e43d3 100644
--- a/15/Dockerfile
+++ b/15/Dockerfile
@@ -1,4 +1,4 @@
-FROM bfren/alpine-s6:alpine3.19-5.1.0
+FROM bfren/alpine-s6:alpine3.19-5.1.1
 
 LABEL org.opencontainers.image.source="https://github.com/bfren/docker-postgresql"
 
diff --git a/16/Dockerfile b/16/Dockerfile
index 8406d74..d90b73c 100644
--- a/16/Dockerfile
+++ b/16/Dockerfile
@@ -1,4 +1,4 @@
-FROM bfren/alpine-s6:alpine3.19-5.1.0
+FROM bfren/alpine-s6:alpine3.19-5.1.1
 
 LABEL org.opencontainers.image.source="https://github.com/bfren/docker-postgresql"
 
diff --git a/VERSION b/VERSION
index a0cd9f0..50e47c8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.1.0
\ No newline at end of file
+3.1.1
\ No newline at end of file
diff --git a/generate-dockerfiles.sh b/generate-dockerfiles.sh
index 72b3e3e..126ed4d 100755
--- a/generate-dockerfiles.sh
+++ b/generate-dockerfiles.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 
 docker pull bfren/alpine
 
-BASE_VERSION="5.1.0"
+BASE_VERSION="5.1.1"
 echo "Base: ${BASE_VERSION}"
 
 POSTGRESQL_VERSIONS="12 13 14 15 16"
diff --git a/overlay/etc/nu/scripts/bf-postgresql/dump.nu b/overlay/etc/nu/scripts/bf-postgresql/dump.nu
index a9ad8dd..6aa6723 100644
--- a/overlay/etc/nu/scripts/bf-postgresql/dump.nu
+++ b/overlay/etc/nu/scripts/bf-postgresql/dump.nu
@@ -8,7 +8,7 @@ export def main [] {
 
     # create backup directories
     let backup_dir = create_backup_dir
-    let temp_dir = create_temp_dir
+    let temp_dir = bf fs make_temp_dir
 
     # dump cluster and save to dump file
     let dump_file = $"($temp_dir)/(bf env PG_DUMP_BASENAME).sql"
@@ -62,13 +62,3 @@ def create_backup_dir [] {
     if ($dir | bf fs is_not_dir) { bf write error "Unable to create backup directory." dump/create_backup_dir }
     $dir
 }
-
-# Create a temporary directory
-def create_temp_dir [] {
-    # create temporary directory
-    let dir = { ^mktemp -d -t backup.XXXXXX } | bf handle dump/create_temp_dir
-
-    # return if directory exists
-    if ($dir | bf fs is_not_dir) { bf write error "Unable to create temporary directory." dump/create_temp_dir }
-    $dir
-}