diff --git a/src/loadgenerator/Dockerfile b/src/loadgenerator/Dockerfile
index bb393411f20..6004c9636fb 100644
--- a/src/loadgenerator/Dockerfile
+++ b/src/loadgenerator/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM python:3.8-slim as base
+FROM python:3.14.0a1-slim as base
 
 FROM base as builder