diff --git a/repo2docker/buildpacks/julia/julia_project.py b/repo2docker/buildpacks/julia/julia_project.py
index 24adcb78..82c28c64 100644
--- a/repo2docker/buildpacks/julia/julia_project.py
+++ b/repo2docker/buildpacks/julia/julia_project.py
@@ -31,6 +31,7 @@ class JuliaProjectTomlBuildPack(PythonBuildPack):
         "1.4.2",
         "1.5.0",
         "1.5.1",
+        "1.5.2",
     ]
 
     @property