diff --git a/5.1/alpine3.18/Dockerfile b/5.1/alpine3.18/Dockerfile
index 9fc2e74..c6d74b2 100644
--- a/5.1/alpine3.18/Dockerfile
+++ b/5.1/alpine3.18/Dockerfile
@@ -46,9 +46,9 @@ RUN set -eux; \
 	chown redmine:redmine "$HOME"; \
 	chmod 1777 "$HOME"
 
-ENV REDMINE_VERSION 5.1.1
-ENV REDMINE_DOWNLOAD_URL https://www.redmine.org/releases/redmine-5.1.1.tar.gz
-ENV REDMINE_DOWNLOAD_SHA256 edf3095746effd04ad5140681d618f5fa8d06be09c47b6f8b615dcad0b753e6e
+ENV REDMINE_VERSION 5.1.2
+ENV REDMINE_DOWNLOAD_URL https://www.redmine.org/releases/redmine-5.1.2.tar.gz
+ENV REDMINE_DOWNLOAD_SHA256 26c0ca0a9aaee1ceb983825bf1266c99b0850bf013c178713f5a3b0080012123
 
 RUN set -eux; \
 	wget -O redmine.tar.gz "$REDMINE_DOWNLOAD_URL"; \
diff --git a/5.1/bookworm/Dockerfile b/5.1/bookworm/Dockerfile
index 539e958..7153576 100644
--- a/5.1/bookworm/Dockerfile
+++ b/5.1/bookworm/Dockerfile
@@ -77,9 +77,9 @@ RUN set -eux; \
 	chown redmine:redmine "$HOME"; \
 	chmod 1777 "$HOME"
 
-ENV REDMINE_VERSION 5.1.1
-ENV REDMINE_DOWNLOAD_URL https://www.redmine.org/releases/redmine-5.1.1.tar.gz
-ENV REDMINE_DOWNLOAD_SHA256 edf3095746effd04ad5140681d618f5fa8d06be09c47b6f8b615dcad0b753e6e
+ENV REDMINE_VERSION 5.1.2
+ENV REDMINE_DOWNLOAD_URL https://www.redmine.org/releases/redmine-5.1.2.tar.gz
+ENV REDMINE_DOWNLOAD_SHA256 26c0ca0a9aaee1ceb983825bf1266c99b0850bf013c178713f5a3b0080012123
 
 RUN set -eux; \
 # if we use wget here, we get certificate issues (https://github.com/docker-library/redmine/pull/249#issuecomment-984176479)
diff --git a/versions.json b/versions.json
index 5ac81f8..64982f5 100644
--- a/versions.json
+++ b/versions.json
@@ -16,15 +16,15 @@
   "5.1": {
     "alpine": "3.18",
     "debian": "bookworm",
-    "downloadUrl": "https://www.redmine.org/releases/redmine-5.1.1.tar.gz",
+    "downloadUrl": "https://www.redmine.org/releases/redmine-5.1.2.tar.gz",
     "ruby": {
       "version": "3.2"
     },
-    "sha256": "edf3095746effd04ad5140681d618f5fa8d06be09c47b6f8b615dcad0b753e6e",
+    "sha256": "26c0ca0a9aaee1ceb983825bf1266c99b0850bf013c178713f5a3b0080012123",
     "variants": [
       "bookworm",
       "alpine3.18"
     ],
-    "version": "5.1.1"
+    "version": "5.1.2"
   }
 }