diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9454256..7bfdfe6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -47,7 +47,7 @@ jobs:
             docker run --rm \
               -v $PWD:/code \
               -w /code \
-              rust:1.76.0-alpine3.19 \
+              rust:1.77.0-alpine3.19 \
                 sh -c 'apk add musl-dev && cargo run -p package -- dist'
       - persist_to_workspace:
           root: dist
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d1169fa..6ed98e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,7 +48,7 @@ jobs:
           docker run --rm \
             -v $PWD:/code \
             -w /code \
-            rust:1.76.0-alpine3.19 \
+            rust:1.77.0-alpine3.19 \
               sh -c 'apk add musl-dev && cargo run -p package'
       - name: Integration Tests
         run: examples/run.sh --no-package
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f8b57d4..00b7f35 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -64,7 +64,7 @@ jobs:
           docker run --rm \
             -v $PWD:/code \
             -w /code \
-            rust:1.76.0-alpine3.19 \
+            rust:1.77.0-alpine3.19 \
               sh -c 'apk add musl-dev && cargo run -p package -- dist'
       - name: Prepare Changelog
         id: prepare-changelog
diff --git a/rust-toolchain b/rust-toolchain
index 5751e86..aa0e218 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -2,7 +2,7 @@
 # N.B.: Update .github and .circleci yaml to use a matching image, if available.
 # Although a version match is not required (cargo downloads and installs the
 # toolchain described here if not present), it does speed up CI builds.
-channel = "1.76.0"
+channel = "1.77.0"
 components = [
   "cargo",
   "clippy",