diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b446ad..0f8d2f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,17 +12,30 @@ jobs:
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
         webotsVersion: [ R2023b, R2024a ]
-        webotsTag: [ nightly_26_7_2024, '' ]
+        webotsTag: [ R2024a_DeepBlueSim_2024_07_28, nightly_26_7_2024, '' ]
+        webotsRepository: [ DeepBlueRobotics/webots, '' ]
         webotsBaseUrl: [ 'https://github.com/DeepBlueRobotics/webots/releases/download/R2024a_DeepBlueSim_2024_07_28', '' ]
         exclude:
+          # R2024a has not yet been released
           - webotsVersion: R2024a
             webotsTag: ''
             webotsBaseUrl: ''
+          # cyberbots/webots#6586
           - webotsVersion: R2024a
             webotsTag: nightly_26_7_2024
             os: windows-latest
+          # Only use tags on their corresponding repositories
+          - webotsTag: R2024a_DeepBlueSim_2024_07_28
+            webotsRepository: ''
+          - webotsTag: 'nightly_26_7_2024'
+            webotsRepository: DeepBlueRobotics/webots
+          - webotsTag: ''
+            webotsRepository: DeepBlueRobotics/webots
+          # R2023b Should only be run with default parameters
           - webotsVersion: R2023b
             webotsTag: nightly_26_7_2024
+          - webotsVersion: R2023b
+            webotsRepository: DeepBlueRobotics/webots
           - webotsVersion: R2023b
             webotsBaseUrl: 'https://github.com/DeepBlueRobotics/webots/releases/download/R2024a_DeepBlueSim_2024_07_28'
     runs-on: ${{ matrix.os }}
@@ -37,6 +50,7 @@ jobs:
       with:
         webotsVersion: ${{ matrix.webotsVersion }}
         webotsTag: ${{ matrix.webotsTag || '' }}
+        webotsRepository: ${{ matrix.webotsRepository || '' }}
         webotsBaseUrl: ${{ matrix.webotsBaseUrl || '' }}
 
     - name: Run Webots
diff --git a/README.md b/README.md
index 70af506..cb68d81 100644
--- a/README.md
+++ b/README.md
@@ -2,20 +2,18 @@
 
 This GitHub action can be used in a [GitHub workflow](https://docs.github.com/en/free-pro-team@latest/actions) to setup a version of [Webots](https://cyberbotics.com/) on ubuntu-latest, windows-latest, or macos-latest GitHub-hosted runner. Usage:
 
+## Installing Webots
+
+### Install a Stable Webots Release
 ``` YAML
     - name: Setup Webots
       id: setupWebots
       uses: DeepBlueRobotics/setup-webots@main
       with:
         webotsVersion: R2023b # Set this to your Webots version
-
-    - name: Run Webots
-      run: $RUN_WEBOTS /path/to/worlds/MyWorld.wbt
-      shell: bash
 ```
 
-Alternatively, the `webotsTag` option can be used to install a specific tag from the official Webots repository (such as a nightly build).
-
+### Install a Nightly Prerelease from the Official Webots Repository
 ``` YAML
     - name: Setup Webots
       id: setupWebots
@@ -23,15 +21,22 @@ Alternatively, the `webotsTag` option can be used to install a specific tag from
       with:
         webotsVersion: R2024a # Set this to your Webots version
         webotsTag: nightly_26_7_2024
+```
 
-    - name: Run Webots
-      run: $RUN_WEBOTS /path/to/worlds/MyWorld.wbt
-      shell: bash
+### Install a Custom Release from a Webots Fork
+``` YAML
+    - name: Setup Webots
+      id: setupWebots
+      uses: DeepBlueRobotics/setup-webots@main
+      with:
+        webotsVersion: R2024a # Set this to your Webots version
+        webotsTag: R2024a_DeepBlueSim_2024_07_28
+        webotsRepository: DeepBlueRobotics/webots
 ```
 
-Alternatively, the `webotsBaseUrl` option can be used to install from an arbitrary location (such as
-a fork of the official repo). Note that if you use the `webotsBaseUrl` option, the `webotsTag`
-option will be ignored, so the URL should contain any needed tag information.
+### Install a Custom Release from an Arbitrary URL
+Note that if you use the `webotsBaseUrl` option, the `webotsTag` and `webotsRepository` options
+will be ignored, so the URL should contain any needed tag information.
 
 ``` YAML
     - name: Setup Webots
@@ -40,7 +45,11 @@ option will be ignored, so the URL should contain any needed tag information.
       with:
         webotsVersion: R2024a # Set this to your Webots version
         webotsBaseUrl: https://github.com/DeepBlueRobotics/webots/releases/download/R2024a_DeepBlueSim_2024_07_28
+```
 
+## Running Webots
+
+``` YAML
     - name: Run Webots
       run: $RUN_WEBOTS /path/to/worlds/MyWorld.wbt
       shell: bash
diff --git a/action.yml b/action.yml
index 8c5356b..8b56f17 100644
--- a/action.yml
+++ b/action.yml
@@ -5,11 +5,15 @@ inputs:
     description: "Version of Webots to install."
     required: true
   webotsTag:
-    description: "Optionally specify a specific tag from the Webots repository to install. (Defaults to webotsVersion)"
+    description: "Optionally specify a specific tag from the Webots repository to install. (Defaults to <webotsVersion>)"
+    required: false
+    default: ''
+  webotsRepository:
+    description: "Optionally specify a specific repository to download Webots from (Defaults to cyberbotics/webots)"
     required: false
     default: ''
   webotsBaseUrl:
-    description: "Optionally specify a base URL containing the distribution files (Defaults to https://github.com/cyberbotics/webots/releases/download/<webotsTag>)"
+    description: "Optionally specify a base URL containing the distribution files (Defaults to https://github.com/<webotsRepository>/releases/download/<webotsTag>)"
     required: false
     default: ''
 
@@ -40,19 +44,21 @@ runs:
       id: setup
       run: |
         webotsOptions="--no-rendering --stdout --stderr --minimize --batch"
-        if [ -n '${{ inputs.webotsTag }}' ]; then
-          webotsTag=${{ inputs.webotsTag }}
-        else
-          webotsTag=${{ inputs.webotsVersion }}
-        fi
+        webotsTag=${{ inputs.webotsTag || inputs.webotsVersion }}
+        webotsRepository=${{ inputs.webotsRepository || 'cyberbotics/webots' }}
+
         if [ -n '${{ inputs.webotsBaseUrl }}' ]; then
           if [ -n '${{ inputs.webotsTag }}' ]; then
             echo "WARNING: Ignoring webotsTag=${{ inputs.webotsTag }} because webotsBaseUrl was specified."
           fi
+          if [ -n '${{ inputs.webotsRepository }}' ]; then
+            echo "WARNING: Ignoring webotsRepository=${{ inputs.webotsRepository }} because webotsBaseUrl was specified."
+          fi
           webotsBaseUrl=${{ inputs.webotsBaseUrl }}
         else
-          webotsBaseUrl="https://github.com/cyberbotics/webots/releases/download/$webotsTag"
+          webotsBaseUrl="https://github.com/$webotsRepository/releases/download/$webotsTag"
         fi
+
         if [ '${{ runner.os }}' = 'Linux' ]; then
           webotsCachePath="$HOME/cache/webots"
           webotsHome="$HOME/webots"
@@ -85,6 +91,7 @@ runs:
         echo "binDir=${webotsBinDir}" >> $GITHUB_OUTPUT
         echo "bin=${webotsBin}" >> $GITHUB_OUTPUT
         echo "pkgName=$pkgName" >> $GITHUB_OUTPUT
+        echo "cacheKey=$cacheKey" >> $GITHUB_OUTPUT
         echo "baseUrl=$webotsBaseUrl" >> $GITHUB_OUTPUT
         echo "RUN_WEBOTS=$webotsBashCmd" >> $GITHUB_ENV
         echo "LIBGL_ALWAYS_SOFTWARE=true" >> $GITHUB_ENV