diff --git a/.woodpecker/build.yaml b/.woodpecker/build.yaml
index e8d85d7..2a28290 100644
--- a/.woodpecker/build.yaml
+++ b/.woodpecker/build.yaml
@@ -21,7 +21,8 @@ steps:
     environment:
       GIT_USER: pat-s
       # set the location of the 'pkgcache' cache dir which persists the R package dependencies needed to install the packages themselves
-      R_PKG_CACHE_DIR: /mnt/cache/
+      R_PKG_CACHE_DIR: /mnt/cache/pkgcache
+      R_LIBS_USER: /mnt/cache/R-pkgs
     volumes:
       - arm-binaries-r-dep-cache:/mnt/cache
     commands: