diff --git a/.crow/archive-missed-packages.yaml b/.crow/archive-missed-packages.yaml
index 8ea940b..673415c 100644
--- a/.crow/archive-missed-packages.yaml
+++ b/.crow/archive-missed-packages.yaml
@@ -64,7 +64,7 @@ steps:
     commands:
       - /opt/R/$R_VERSION/bin/R -q -e 'if (!requireNamespace("bincraft", quietly = TRUE) || packageVersion("bincraft") != "4.2.3") pak::pak("git::https://codefloe.com/rpkgs/bincraft.git@v4.2.3", dependencies = TRUE)'
       - /opt/R/$R_VERSION/bin/R -q -e 'packageVersion("bincraft")'
-      - /opt/R/$R_VERSION/bin/R -q -e 'bincraft::process_unarchived_pkgs(Sys.getenv("CODENAME"), Sys.getenv("ARCH"), workers = 2L)'
+      - /opt/R/$R_VERSION/bin/R -q -e 'bincraft::process_unarchived_pkgs(Sys.getenv("CODENAME"), Sys.getenv("ARCH"), s3_endpoint = "https://s3.eu-central-003.backblazeb2.com", s3_region = "eu-central-003", s3_bucket = "devxy-rpkgs-binaries", s3_access_key_id = Sys.getenv("B2_S3_ACCESS_KEY"), s3_secret_access_key = Sys.getenv("B2_S3_SECRET_KEY"), workers = 2L)'
     backend_options:
       kubernetes:
         resources:
diff --git a/.crow/build-all-versions.yaml b/.crow/build-all-versions.yaml
index 494641c..f495550 100644
--- a/.crow/build-all-versions.yaml
+++ b/.crow/build-all-versions.yaml
@@ -138,7 +138,7 @@ steps:
         done
       # archive missed packages; first arg is the codename (e.g. "alpine324"),
       # derived via bincraft like the upload step, not paste(OS, OS_VERSION).
-      - /opt/R/$R_VERSION/bin/R -q -e "bincraft::process_unarchived_pkgs(bincraft::set_codename(NULL), Sys.getenv('ARCH'), workers = $NCPUS)"
+      - /opt/R/$R_VERSION/bin/R -q -e "bincraft::process_unarchived_pkgs(bincraft::set_codename(NULL), Sys.getenv('ARCH'), s3_endpoint = 'https://s3.eu-central-003.backblazeb2.com', s3_region = 'eu-central-003', s3_bucket = 'devxy-rpkgs-binaries', s3_access_key_id = Sys.getenv('B2_S3_ACCESS_KEY'), s3_secret_access_key = Sys.getenv('B2_S3_SECRET_KEY'), workers = $NCPUS)"
     backend_options:
       docker:
         resources: