diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index a7cb358ddb..d474dfca35 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -90,7 +90,7 @@ jobs:
         with:
           auto-install: true
           cache: ${{ runner.os == 'Linux' }}
-          proto-version: '0.43.0' # Keep in sync
+          proto-version: '0.43.1' # Keep in sync
       - uses: mozilla-actions/sccache-action@v0.0.5
         if: ${{ vars.ENABLE_SCCACHE == 'true' }}
       - name: Checking coverage status
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a711322c86..4ded660bcb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 
 #### ⚙️ Internal
 
+- Updated proto to v0.43.1 (from 0.43.0).
 - Updated dependencies.
 
 ## 1.30.4
diff --git a/crates/common/src/consts.rs b/crates/common/src/consts.rs
index 319d2afb49..1e2bede95d 100644
--- a/crates/common/src/consts.rs
+++ b/crates/common/src/consts.rs
@@ -6,4 +6,4 @@ pub const BIN_NAME: &str = "moon";
 
 pub const CONFIG_DIRNAME: &str = ".moon";
 
-pub const PROTO_CLI_VERSION: &str = "0.43.0";
+pub const PROTO_CLI_VERSION: &str = "0.43.1";