diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 77ff6e7..0cf2453 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -3,8 +3,14 @@ on:
   push:
     branches:
       - main
-    tags: '*'
-  pull_request:
+    tags: ['*']
+  pull_request:  
+  workflow_dispatch:
+concurrency:
+  # Skip intermediate builds: always.
+  # Cancel intermediate builds: only if it is a pull request build.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 jobs:
   test:
     name: ${{ matrix.group }} - Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
@@ -32,16 +38,7 @@ jobs:
         if: ${{ matrix.version == '1.10' }}
         with:
           skip: Pkg,TOML,Statistics          
-      - uses: actions/cache@v4
-        env:
-          cache-name: cache-artifacts
-        with:
-          path: ~/.julia/artifacts
-          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-test-${{ env.cache-name }}-
-            ${{ runner.os }}-test-
-            ${{ runner.os }}-
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
         env:
@@ -51,21 +48,34 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}  
           file: lcov.info
+          fail_ci_if_error: true
   docs:
     name: Documentation
     runs-on: ubuntu-latest
+    permissions:
+      actions: write # needed to allow julia-actions/cache to proactively delete old caches that it has created
+      contents: write
+      statuses: write
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
+      - uses: julia-actions/cache@v2
+      - name: Configure doc environment
+        shell: julia --project=docs --color=yes {0}
+        run: |
+          using Pkg
+          Pkg.develop(PackageSpec(path=pwd()))
+          Pkg.instantiate()          
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-docdeploy@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
-      - run: |
-          julia --project=docs -e '
+      - name: Run doctests
+        shell: julia --project=docs --color=yes {0}
+        run: |
             using Documenter: DocMeta, doctest
             using DistributionFits
             DocMeta.setdocmeta!(DistributionFits, :DocTestSetup, :(using Statistics, Distributions, DistributionFits); recursive=true)