diff --git a/examples/3-parametric-heteroscedastic/Project.toml b/examples/3-parametric-heteroscedastic/Project.toml
index 8864de1e..a472cacf 100644
--- a/examples/3-parametric-heteroscedastic/Project.toml
+++ b/examples/3-parametric-heteroscedastic/Project.toml
@@ -18,4 +18,4 @@ KernelFunctions = "0.10"
 Literate = "2"
 Optim = "1"
 ParameterHandling = "0.4, 0.5"
-Zygote = "0.6"
+Zygote = "0.6, 0.7"