diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0abc7b9..c645f430 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Update `zizmor@latest` to 1.31.1.
+
 - Update `wasmtime@latest` to 50.0.0.
 
 - Update `vacuum@latest` to 0.33.2.
diff --git a/manifests/zizmor.json b/manifests/zizmor.json
index abd19dbf..53d4a99c 100644
--- a/manifests/zizmor.json
+++ b/manifests/zizmor.json
@@ -18,13 +18,13 @@
     }
   },
   "latest": {
-    "version": "1.31.0"
+    "version": "1.31.1"
   },
   "1": {
-    "version": "1.31.0"
+    "version": "1.31.1"
   },
   "1.31": {
-    "version": "1.31.0"
+    "version": "1.31.1"
   },
   "1.31.1": {
     "x86_64_linux_gnu": {