diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 17cab4a..37431ea 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,7 +21,7 @@ jobs:
 
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
+      run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
 
     - uses: actions/cache@v3
       id: yarn-cache
@@ -54,7 +54,7 @@ jobs:
 
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
+      run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
 
     - uses: actions/cache@v3
       id: yarn-cache
@@ -68,7 +68,7 @@ jobs:
       run: yarn install
 
     - name: "Tests: Unit"
-      run: yarn test
+      run: yarn test:coverage
 
     - name: "Tests: E2E"
       run: yarn test:e2e
@@ -93,7 +93,7 @@ jobs:
 
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
+      run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
 
     - uses: actions/cache@v3
       id: yarn-cache
@@ -124,7 +124,7 @@ jobs:
 
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path
-      run: echo "::set-output name=dir::$(yarn cache dir)"
+      run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
 
     - uses: actions/cache@v3
       id: yarn-cache
diff --git a/README.md b/README.md
index 791c909..78d42fa 100644
--- a/README.md
+++ b/README.md
@@ -275,7 +275,7 @@ import Countdown, { zeroPad, calcTimeDelta, formatTimeDelta } from 'react-countd
 ```
 
 ### `zeroPad(value, [length = 2])`
-The `zeroPad` function works similarly to other well-known pad-functions and takes two arguments into account. A `value` which can be a `string` or `number`, as well as a `length` parameter that defaults to `2` as you are most likely only going to use this function if you actually want to pad one of your values. Either returns a `number` if `length` equals `0`, or the zero-padded `string`.
+The `zeroPad` function transforms and returns a given `value` with padded zeros depending on the `length`. The `value` can be a `string` or `number`, while the `length` parameter can be a `number`, defaulting to `2`. Returns the zero-padded `string`, e.g., `zeroPad(5)` => `05`.
 
 ```js
 const renderer = ({ hours, minutes, seconds }) => (
diff --git a/package.json b/package.json
index b18caae..ac2eaec 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-countdown",
-  "version": "2.3.2",
+  "version": "2.3.3",
   "description": "A customizable countdown component for React.",
   "main": "./dist/index.js",
   "module": "./dist/index.es.js",
@@ -35,7 +35,8 @@
     "lint:tsc": "tsc --noEmit",
     "prettier-check": "prettier --list-different ./src/**/*.{ts,tsx}",
     "prettier": "prettier --write ./src/**/*.{ts,tsx}",
-    "test": "jest --coverage",
+    "test": "jest",
+    "test:coverage": "jest --coverage",
     "test:e2e": "yarn start-server-and-test test:e2e:server http://localhost:1234 \"cypress run\"",
     "test:e2e:clean": "rm -rf ./e2e/dist",
     "test:e2e:dev": "yarn start-server-and-test test:e2e:server http://localhost:1234 \"cypress open\"",
diff --git a/src/Countdown.tsx b/src/Countdown.tsx
index f4aa680..d8cbd41 100644
--- a/src/Countdown.tsx
+++ b/src/Countdown.tsx
@@ -16,7 +16,7 @@ export interface CountdownProps
   extends React.Props<Countdown>,
     CountdownTimeDeltaFormatOptions,
     Omit<LegacyCountdownProps, 'onComplete'> {
-  readonly date?: Date | number | string;
+  readonly date: Date | number | string;
   readonly controlled?: boolean;
   readonly intervalDelay?: number;
   readonly precision?: number;