diff --git a/script/lint.sh b/script/lint.sh
index ae3878b9f40..e87c295b06e 100755
--- a/script/lint.sh
+++ b/script/lint.sh
@@ -8,7 +8,6 @@ set -e
 CUSTOM_GCL="$(script/setup-custom-gcl.sh)"
 
 CDPATH="" cd -- "$(dirname -- "$0")/.."
-BIN="$(pwd -P)"/bin
 
 EXIT_CODE=0
 
@@ -17,17 +16,49 @@ fail() {
   EXIT_CODE=1
 }
 
-MOD_DIRS="$(git ls-files '*go.mod' | xargs dirname | sort)"
+MOD_DIRS="$(git ls-files '*go.mod' | xargs dirname | sort -u)"
 
-for dir in $MOD_DIRS; do
-  [ "$dir" = "example/newreposecretwithlibsodium" ] && continue
-  echo linting "$dir"
+# Number of module lint jobs to run concurrently.
+# Override with LINT_JOBS, otherwise use detected CPU count.
+: "${LINT_JOBS:=$(getconf _NPROCESSORS_ONLN 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 4)}"
+
+LINT_DIRS="$(printf '%s\n' "$MOD_DIRS" | grep -v '^example/newreposecretwithlibsodium$')"
+
+LINT_FAILED=0
+RUNNING=0
+PIDS=""
+
+wait_pids() {
+  for pid in $PIDS; do
+    if ! wait "$pid"; then
+      LINT_FAILED=1
+    fi
+  done
+  PIDS=""
+  RUNNING=0
+}
+
+for dir in $LINT_DIRS; do
   (
+    echo linting "$dir"
     cd "$dir"
     "$CUSTOM_GCL" run
-  ) || fail "failed linting $dir"
+  ) &
+
+  PIDS="$PIDS $!"
+  RUNNING=$((RUNNING + 1))
+
+  if [ "$RUNNING" -ge "$LINT_JOBS" ]; then
+    wait_pids
+  fi
 done
 
+wait_pids
+
+if [ "$LINT_FAILED" -ne 0 ]; then
+  fail "failed linting one or more module directories"
+fi
+
 if [ -n "$CHECK_GITHUB_OPENAPI" ]; then
   echo validating openapi_operations.yaml
   script/metadata.sh update-openapi --validate || fail "failed validating openapi_operations.yaml"
@@ -36,6 +67,4 @@ fi
 echo validating generated files
 script/generate.sh --check || fail "failed validating generated files"
 
-[ -z "$FAILED" ] || exit 1
-
 exit "$EXIT_CODE"
diff --git a/script/setup-custom-gcl.sh b/script/setup-custom-gcl.sh
index 81d84215756..0dd896cfd33 100755
--- a/script/setup-custom-gcl.sh
+++ b/script/setup-custom-gcl.sh
@@ -5,7 +5,7 @@
 set -e
 
 # should be in sync with .custom-gcl.yml
-GOLANGCI_LINT_VERSION="2.10.1"
+GOLANGCI_LINT_VERSION="v2.10.1"
 
 # should in sync with fmt.sh and lint.sh
 BIN="$(pwd -P)"/bin
@@ -13,8 +13,8 @@ BIN="$(pwd -P)"/bin
 mkdir -p "$BIN"
 
 # install golangci-lint and custom-gcl in ./bin if they don't exist with the correct version
-if ! "$BIN"/custom-gcl --version 2> /dev/null | grep -q "$GOLANGCI_LINT_VERSION"; then
-  GOBIN="$BIN" go install "github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v$GOLANGCI_LINT_VERSION"
+if ! "$BIN"/custom-gcl version --short 2> /dev/null | grep -q "$GOLANGCI_LINT_VERSION"; then
+  curl -sSfL https://golangci-lint.run/install.sh | sh -s -- -b "$BIN" "$GOLANGCI_LINT_VERSION"
   "$BIN"/golangci-lint custom --name custom-gcl --destination "$BIN"
 fi