diff --git a/requirements-dev.in b/requirements-dev.in
index b6a02f437d4ff388a83896ec94729f6baecb6dee..9c90c2f1ba9313ca5e9ccefb531a41ba165cf66a 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -13,5 +13,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-git+https://osm.etsi.org/gerrit/osm/osmclient.git@master#egg=osmclient
--r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+git+https://osm.etsi.org/gerrit/osm/osmclient.git@v15.0#egg=osmclient
+-r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7b585e0d73a403ac76bc1d1394d90b3560e90b9a..dfdef7a082d861160fd70f55c48cd49960ea88f6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -16,49 +16,49 @@
 #######################################################################################
 certifi==2023.7.22
     # via
-    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
     #   requests
 charset-normalizer==3.2.0
     # via
-    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
     #   requests
 click==8.1.7
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 idna==3.4
     # via
-    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
     #   requests
 jinja2==3.1.2
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 jsonpath-ng==1.6.0
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 markupsafe==2.1.3
     # via
-    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
     #   jinja2
-osmclient @ git+https://osm.etsi.org/gerrit/osm/osmclient.git@master
+osmclient @ git+https://osm.etsi.org/gerrit/osm/osmclient.git@v15.0
     # via -r requirements-dev.in
 packaging==23.1
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 ply==3.11
     # via
-    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
     #   jsonpath-ng
 prettytable==3.9.0
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 python-magic==0.4.27
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 pyyaml==6.0.1
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 requests==2.31.0
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 urllib3==2.0.5
     # via
-    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
     #   requests
 verboselogs==1.7
-    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    # via -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
 wcwidth==0.2.6
     # via
-    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=master
+    #   -r https://osm.etsi.org/gitweb/?p=osm/osmclient.git;a=blob_plain;f=requirements.txt;hb=v15.0
     #   prettytable