diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee3fb3d..4ecf7dc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
           docker run --rm \
             -v $PWD:/code \
             -w /code \
-            rust:1.79.0-alpine3.20 \
+            rust:1.80.0-alpine3.20 \
               sh -c "
                 apk add musl-dev &&
                 addgroup -g $(id -g) build &&
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 58030dd..7ad15fd 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -68,7 +68,7 @@ jobs:
           docker run --rm \
             -v $PWD:/code \
             -w /code \
-            rust:1.79.0-alpine3.20 \
+            rust:1.80.0-alpine3.20 \
               sh -c "
                 apk add musl-dev &&
                 addgroup -g $(id -g) build &&
diff --git a/rust-toolchain b/rust-toolchain
index 5769dd6..f82e835 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 = "1.79.0"
+channel = "1.80.0"
 components = [
   "cargo",
   "clippy",