diff --git a/script/ci/build-and-test.sh b/script/ci/build-and-test.sh
index 0b4ff6f..3c0fdb1 100755
--- a/script/ci/build-and-test.sh
+++ b/script/ci/build-and-test.sh
@@ -20,7 +20,10 @@ fi
 node --version
 npm --version
 
-npm ci
+# our lock file may be out of sync post npm release, as it has not been updated post release
+# of the optional depedencies with the path to the npm packages. We should probably commit these 
+# back after releasing the package
+npm ci || npm i
 # Update main package.json optional dependencies versions, with those created earlier
 make update_opt_deps
 # update lockfile post buildling updated opt deps
diff --git a/standalone/install.ts b/standalone/install.ts
index 502683d..b94ecd3 100644
--- a/standalone/install.ts
+++ b/standalone/install.ts
@@ -1,7 +1,7 @@
 import chalk = require('chalk');
 
 // Get latest version from https://github.com/pact-foundation/pact-ruby-standalone/releases
-export const PACT_STANDALONE_VERSION = '2.4.15';
+export const PACT_STANDALONE_VERSION = '2.4.16';
 
 function makeError(msg: string): Error {
   return new Error(chalk.red(`Error while locating pact binary: ${msg}`));