diff --git a/dev/etc/testdata.sh b/dev/etc/testdata.sh
index 5fc9bf98a7297f9014ac623b3fb1c6a7530cfe3b..0e65c18f5a2dd50dc973eb8d4d0e19f491d2dde6 100644
--- a/dev/etc/testdata.sh
+++ b/dev/etc/testdata.sh
@@ -4,5 +4,5 @@
 # --------------------------------------------------------------------------------------------------
 
 
-TESTDATA_BASE_URL="https://gitlab.jsc.fz-juelich.de/orgzell/data/testdata/-/archive"
+TESTDATA_BASE_URL="https://gitlab.jsc.fz-juelich.de/libzell/data/testdata/-/archive"
 export TESTDATA_URL="$TESTDATA_BASE_URL/main/testdata-main.tar.gz"
diff --git a/dev/lib/dep/jnum.sh b/dev/lib/dep/jnum.sh
index 9b81dd79ee190da37400cea6908ddfad70e023ef..fea346552086d415299bc4280112efdb8fa987e1 100755
--- a/dev/lib/dep/jnum.sh
+++ b/dev/lib/dep/jnum.sh
@@ -8,7 +8,7 @@ set -euo pipefail
 
 
 JNUM_VERSION="main"
-JNUM_MIRROR="https://gitlab.jsc.fz-juelich.de/orgzell/software/jnum"
+JNUM_MIRROR="https://gitlab.jsc.fz-juelich.de/libzell/software/jnum"
 JNUM_URL="$JNUM_MIRROR/-/archive/$JNUM_VERSION/jnum-$JNUM_VERSION.tar.gz"
 JNUM_SHA256SUM="SKIP"