diff --git a/Project.toml b/Project.toml
index aa77d08..5b0c90a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,7 +25,7 @@ Tullio = "bc48ee85-29a4-5162-ae0b-a64e1601d4bc"
 BenchmarkTools = "1"
 Infiltrator = "1"
 JLD2 = "0.4"
-Muninn = "0.2.5"
+Muninn = "0.2"
 OrdinaryDiffEq = "6"
 PlotThemes = "3"
 Plots = "1"
@@ -33,7 +33,7 @@ ProgressMeter = "1"
 PyCall = "1"
 Reexport = "1"
 Revise = "3"
-Sleipnir = "0.3.5"
+Sleipnir = "0.4"
 Tullio = "0.3"
 julia = "1.7"