diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index addcc84c..764f24c5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -276,7 +276,7 @@ jobs:
         - name: Download R
           uses: suisei-cn/actions-download-file@v1
           with:
-            url: https://cran.r-project.org/bin/windows/base/old/4.4.0/R-4.4.0-win.exe
+            url: https://cran.r-project.org/bin/windows/base/old/4.3.3/R-4.3.3-win.exe
             target: downloads/
         - name: Download Python
           uses: suisei-cn/actions-download-file@v1
@@ -393,7 +393,7 @@ jobs:
         - name: Move pandoc
           run: mv installer/pandoc-2.5-windows-i386/pandoc.exe installer/strawberry/perl/bin
           shell: bash
-        - name: Install Rtools40
+        - name: Install Rtools42
           shell: pwsh
           run: |
             if(Test-path c:\\rtools42){
@@ -403,12 +403,12 @@ jobs:
             }
             echo "c:\\rtools42\\usr\\bin" >> $GITHUB_PATH
         - name: Install R
-          run: downloads\R-4.4.0-win.exe /VERYSILENT /DIR="installer\R"
+          run: downloads\R-4.3.3-win.exe /VERYSILENT /DIR="installer\R"
           shell: cmd
         - name: Install renv
           run: |
             md installer\Rlib
-            installer\R\bin\x64\Rscript.exe -e "install.packages('renv', lib='installer/Rlib', repos='https://mran.microsoft.com/snapshot/2024-06-03/')"
+            installer\R\bin\x64\Rscript.exe -e "install.packages('renv', lib='installer/Rlib')"
           shell: cmd
         - name: Install R dependencies
           run: installer\R\bin\x64\Rscript.exe -e ".libPaths('installer/Rlib'); options(renv.config.copy.method='R'); options(renv.consent=TRUE); renv::settings$use.cache(FALSE); renv::restore(library='installer/Rlib', lockfile='PsN-Source/PsNR/renv.lock'); Sys.setenv(TZ='Europe/Berlin', LC_TIME='C', LC_MONETARY='C'); remotes::install_local('PsN-Source/PsNR', lib='installer/Rlib', repos=NULL, dependencies=F, INSTALL_opts=c('--no-multiarch'))"