diff --git a/.git-hooks/commit-msg b/.git-hooks/commit-msg
new file mode 100755
index 0000000..e0297de
--- /dev/null
+++ b/.git-hooks/commit-msg
@@ -0,0 +1,18 @@
+#!/bin/sh
+RED="\033[1;31m"
+GREEN="\033[1;32m"
+
+# Get the commit message (the parameter we're given is just the path to the
+# temporary file which holds the message).
+commit_message=$(cat "$1")
+
+if (echo "$commit_message" | grep -Eq "^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(\([a-z \-]+\))?!?: .+$") then
+   echo "${GREEN} ✔ Commit message meets Conventional Commit standards"
+   exit 0
+fi
+
+echo "${RED}❌ Commit message does not meet the Conventional Commit standard!"
+echo "An example of a valid message is:"
+echo "  feat(login): add the 'remember me' button"
+echo "ℹ More details at: https://www.conventionalcommits.org/en/v1.0.0/#summary"
+exit 1
\ No newline at end of file
diff --git a/package.json b/package.json
index aefccae..3749aa9 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,8 @@
     "postpublish": "git clean -fd",
     "package:lib": "npm run build && cp ./package.json build && cp README.md build && cd build && npm version \"5.0.0\" && npm pack",
     "lint:fix": "npx prettier --write '{src,test}/**/*.{ts,tsx,js,jsx,html,css,sass,less,json,yml,md,graphql}'",
-    "lint": "npx prettier --check '{src,test}/**/*.{ts,tsx,js,jsx,html,css,sass,less,json,yml,md,graphql}'"
+    "lint": "npx prettier --check '{src,test}/**/*.{ts,tsx,js,jsx,html,css,sass,less,json,yml,md,graphql}'",
+    "postinstall": "[ -d .git ] && git config core.hooksPath ./.git-hooks || true"
   },
   "publishConfig": {
     "access": "public"
diff --git a/src/rules/file/hasDoxygenHeader.spec.ts b/src/rules/file/hasDoxygenHeader.spec.ts
index 02d0ca4..e29c59c 100644
--- a/src/rules/file/hasDoxygenHeader.spec.ts
+++ b/src/rules/file/hasDoxygenHeader.spec.ts
@@ -59,7 +59,7 @@ describe('hasDoxygenHeader - test', () => {
   it('should return an array with a single diagnostic when the file is undefined', () => {
     const content = undefined
 
-    expect(hasDoxygenHeader.test((content as unknown) as string)).toEqual([
+    expect(hasDoxygenHeader.test(content as unknown as string)).toEqual([
       {
         message: 'File missing Doxygen header',
         lineNumber: 1,
diff --git a/src/rules/file/hasMacroNameInMend.spec.ts b/src/rules/file/hasMacroNameInMend.spec.ts
index 6daf1bf..5693a2e 100644
--- a/src/rules/file/hasMacroNameInMend.spec.ts
+++ b/src/rules/file/hasMacroNameInMend.spec.ts
@@ -114,7 +114,7 @@ describe('hasMacroNameInMend - test', () => {
   it('should return an empty array when the file is undefined', () => {
     const content = undefined
 
-    expect(hasMacroNameInMend.test((content as unknown) as string)).toEqual([])
+    expect(hasMacroNameInMend.test(content as unknown as string)).toEqual([])
   })
 
   describe('nestedMacros', () => {
diff --git a/src/rules/file/hasMacroParentheses.spec.ts b/src/rules/file/hasMacroParentheses.spec.ts
index cc2d706..1fa58bc 100644
--- a/src/rules/file/hasMacroParentheses.spec.ts
+++ b/src/rules/file/hasMacroParentheses.spec.ts
@@ -79,7 +79,7 @@ describe('hasMacroParentheses', () => {
   it('should return an empty array when the file is undefined', () => {
     const content = undefined
 
-    expect(hasMacroParentheses.test((content as unknown) as string)).toEqual([])
+    expect(hasMacroParentheses.test(content as unknown as string)).toEqual([])
   })
 
   describe('with extra spaces and comments', () => {
diff --git a/src/rules/file/noNestedMacros.spec.ts b/src/rules/file/noNestedMacros.spec.ts
index 1daccc4..937a86e 100644
--- a/src/rules/file/noNestedMacros.spec.ts
+++ b/src/rules/file/noNestedMacros.spec.ts
@@ -72,7 +72,7 @@ describe('noNestedMacros', () => {
   it('should return an empty array when the file is undefined', () => {
     const content = undefined
 
-    expect(noNestedMacros.test((content as unknown) as string)).toEqual([])
+    expect(noNestedMacros.test(content as unknown as string)).toEqual([])
   })
 
   it('should use the configured line ending while testing content', () => {