diff --git a/docker/Dockerfile.end-user b/docker/Dockerfile.end-user
index c81037f427b..a2f29786c66 100644
--- a/docker/Dockerfile.end-user
+++ b/docker/Dockerfile.end-user
@@ -38,7 +38,7 @@ ARG PYVISTA_VERSION=0.43.5
 
 # Used to set the correct PYTHONPATH for the real and complex install of
 # DOLFINx
-ARG PYTHON_VERSION=3.10
+ARG PYTHON_VERSION=3.12
 # Base image for end-user images
 ARG BASEIMAGE=ghcr.io/fenics/dolfinx/dev-env:current
 
diff --git a/docker/complex-kernel.json b/docker/complex-kernel.json
index 51a3a7b292a..0d04777e609 100644
--- a/docker/complex-kernel.json
+++ b/docker/complex-kernel.json
@@ -15,7 +15,7 @@
         "PKG_CONFIG_PATH": "/usr/local/dolfinx-complex/lib/pkgconfig:$PKG_CONFIG_PATH",
         "PETSC_DIR": "/usr/local/petsc/",
         "PETSC_ARCH": "linux-gnu-complex128-32",
-        "PYTHONPATH": "/usr/local/dolfinx-complex/lib/python3.10/dist-packages:$PYTHONPATH",
+        "PYTHONPATH": "/usr/local/dolfinx-complex/lib/python3.12/dist-packages:$PYTHONPATH",
         "LD_LIBRARY_PATH": "/usr/local/dolfinx-complex/lib:$LD_LIBRARY_PATH"
     }
 }
\ No newline at end of file