diff --git a/.woodpecker/build.yaml b/.woodpecker/build.yaml
index 780ca0b..eb41b4f 100644
--- a/.woodpecker/build.yaml
+++ b/.woodpecker/build.yaml
@@ -8,36 +8,36 @@ depends_on:
 
 matrix:
   include:
-    # - PLATFORM: redhat-9
-    #   BLOCK: 1135:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: redhat-8
-    #   BLOCK: 1098:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: ubuntu-2404
-    #   BLOCK: 1248:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: ubuntu-2204
-    #   BLOCK: 1325:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: alpine-320
-    #   BLOCK: 1199:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
+    - PLATFORM: redhat-9
+      BLOCK: 1413:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: redhat-8
+      BLOCK: 1322:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: ubuntu-2404
+      BLOCK: 1594:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: ubuntu-2204
+      BLOCK: 1645:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: alpine-320
+      BLOCK: 1560:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
     ### AMD
     - PLATFORM: redhat-9
       BLOCK: 699:length(pkgs)
@@ -51,24 +51,24 @@ matrix:
       NCPUS: 2
       MEMORY: 29Gi
       STRATEGY: multisession
-    # - PLATFORM: ubuntu-2404
-    #   BLOCK: 1481:length(pkgs)
-    #   ARCH: amd64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: ubuntu-2204
-    #   BLOCK: 1542:length(pkgs)
-    #   ARCH: amd64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: alpine-320
-    #   BLOCK: 1161:length(pkgs)
-    #   ARCH: amd64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
+    - PLATFORM: ubuntu-2404
+      BLOCK: 1795:length(pkgs)
+      ARCH: amd64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: ubuntu-2204
+      BLOCK: 1893:length(pkgs)
+      ARCH: amd64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: alpine-320
+      BLOCK: 1560:length(pkgs)
+      ARCH: amd64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
 steps:
   - name: 'Build binaries (${PLATFORM}: ${BLOCK})'
     secrets: [red_hat_dev_pw, aws_access_key_id, aws_secret_access_key, pgpass, git_ro_token, GITHUB_PAT]
diff --git a/.woodpecker/warm_up_build.yaml b/.woodpecker/warm_up_build.yaml
index 4bd25ed..6c68e6c 100644
--- a/.woodpecker/warm_up_build.yaml
+++ b/.woodpecker/warm_up_build.yaml
@@ -5,36 +5,36 @@ skip_clone: true
 
 matrix:
   include:
-    # - PLATFORM: redhat-9
-    #   BLOCK: 1135:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: redhat-8
-    #   BLOCK: 1098:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: ubuntu-2404
-    #   BLOCK: 1248:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: ubuntu-2204
-    #   BLOCK: 1325:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: alpine-320
-    #   BLOCK: 1199:length(pkgs)
-    #   ARCH: arm64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
+    - PLATFORM: redhat-9
+      BLOCK: 1135:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: redhat-8
+      BLOCK: 1098:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: ubuntu-2404
+      BLOCK: 1248:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: ubuntu-2204
+      BLOCK: 1325:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: alpine-320
+      BLOCK: 1199:length(pkgs)
+      ARCH: arm64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
     ### AMD
     - PLATFORM: redhat-9
       BLOCK: 690:length(pkgs)
@@ -48,24 +48,24 @@ matrix:
       NCPUS: 2
       MEMORY: 29Gi
       STRATEGY: multisession
-    # - PLATFORM: ubuntu-2404
-    #   BLOCK: 1481:length(pkgs)
-    #   ARCH: amd64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: ubuntu-2204
-    #   BLOCK: 1542:length(pkgs)
-    #   ARCH: amd64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
-    # - PLATFORM: alpine-320
-    #   BLOCK: 1161:length(pkgs)
-    #   ARCH: amd64
-    #   NCPUS: 2
-    #   MEMORY: 29Gi
-    #   STRATEGY: multisession
+    - PLATFORM: ubuntu-2404
+      BLOCK: 1481:length(pkgs)
+      ARCH: amd64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: ubuntu-2204
+      BLOCK: 1542:length(pkgs)
+      ARCH: amd64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
+    - PLATFORM: alpine-320
+      BLOCK: 1161:length(pkgs)
+      ARCH: amd64
+      NCPUS: 2
+      MEMORY: 29Gi
+      STRATEGY: multisession
 steps:
   - name: 'Warming up'
     image: busybox:latest
diff --git a/docker/Dockerfile-redhat-8 b/docker/Dockerfile-redhat-8
index 9184df1..6affeb4 100644
--- a/docker/Dockerfile-redhat-8
+++ b/docker/Dockerfile-redhat-8
@@ -30,7 +30,8 @@ RUN curl -q -L -O https://sourceforge.net/projects/mcmc-jags/files/JAGS/4.x/Sour
 ### INSTALL R
 RUN curl -O "https://devxy-r-builds.s3.eu-central-2.amazonaws.com/el8/R-${R_VERSION}-1-1.$(arch).rpm"
 RUN dnf install -q -y "R-${R_VERSION}-1-1.$(arch).rpm" && rm "R-${R_VERSION}-1-1.$(arch).rpm"
-RUN R -q -e 'install.packages("pak", repos = sprintf("https://r-lib.github.io/p/pak/devel/%s/%s/%s", .Platform$pkgType, R.Version()$os, R.Version()$arch))'
+# we can't install pak on rhel as the bundled curl has the wrong CURL_CA_BUNDLE set (as it is only built on Ubuntu)
+RUN R -q -e 'install.packages("remotes", repos = "cloud.r-project.org"); remotes::install_github("r-lib/pak")'
 
 ### Makevars
 # dbarts: CFLAGS += -flax-vector-conversions (https://github.com/vdorie/dbarts/issues/66)
diff --git a/docker/Dockerfile-redhat-9 b/docker/Dockerfile-redhat-9
index bd67051..96f18a6 100644
--- a/docker/Dockerfile-redhat-9
+++ b/docker/Dockerfile-redhat-9
@@ -30,7 +30,8 @@ RUN curl -q -L -O https://sourceforge.net/projects/mcmc-jags/files/JAGS/4.x/Sour
 ### INSTALL R
 RUN curl -O "https://devxy-r-builds.s3.eu-central-2.amazonaws.com/el9/R-${R_VERSION}-1-1.$(arch).rpm"
 RUN dnf install -q -y "R-${R_VERSION}-1-1.$(arch).rpm" && rm "R-${R_VERSION}-1-1.$(arch).rpm"
-RUN R -q -e 'install.packages("pak", repos = sprintf("https://r-lib.github.io/p/pak/devel/%s/%s/%s", .Platform$pkgType, R.Version()$os, R.Version()$arch))'
+# we can't install pak on rhel as the bundled curl has the wrong CURL_CA_BUNDLE set (as it is only built on Ubuntu)
+RUN R -q -e 'install.packages("remotes", repos = "cloud.r-project.org"); remotes::install_github("r-lib/pak")'
 
 ### Makevars
 # dbarts: CFLAGS += -flax-vector-conversions (https://github.com/vdorie/dbarts/issues/66)