diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5c4d0f8..cf174643 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 `cargo-tarpaulin@latest` to 0.37.3.
+
 - Update `cargo-leptos@latest` to 0.3.9.
 
 ## [2.87.16] - 2026-09-19
diff --git a/manifests/cargo-tarpaulin.json b/manifests/cargo-tarpaulin.json
index f4ca9707..37e43ece 100644
--- a/manifests/cargo-tarpaulin.json
+++ b/manifests/cargo-tarpaulin.json
@@ -18,10 +18,32 @@
     }
   },
   "latest": {
-    "version": "0.37.2"
+    "version": "0.37.3"
   },
   "0.37": {
-    "version": "0.37.2"
+    "version": "0.37.3"
+  },
+  "0.37.3": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DF16291F5B4B68",
+      "hash": "ccbdf6f2871788d41c823f93cf172f45c84c6daef1b471df37c354a710a44be4"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DF1629C661B39B",
+      "hash": "4b9449c22059256062004e854842f946a9e6e0da543f0270df0f475bce9f17e4"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DF1629529535EF",
+      "hash": "ad8c3b5c5be5ea8094c669ac39f2ee89c51c3f464eb272060983f69e15c0594e"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DF16298785D973",
+      "hash": "c47f3e366c0628e9f7d96397fb6f21ad57a683e47e30a6fabae01c44c164d332"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DF16296CE58EC7",
+      "hash": "bd938bad919aa92f8f3d67a5a496c67810fd6b167f3e34b33b20c5a009aa930f"
+    }
   },
   "0.37.2": {
     "x86_64_linux_musl": {