diff --git a/.gitignore b/.gitignore
index b846269..765efac 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,7 +6,7 @@
 /docs/build/
 
 # Jupyter Notebook
-# *.ipynb
+*.ipynb
 .ipynb_checkpoints
 .ipynb_checkpoints/
 .ipynb_checkpoints/*
diff --git a/Project.toml b/Project.toml
index 2fcdd0a..0d4c993 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Antique"
 uuid = "be6e5d0e-34a5-4c8f-af83-e1b5389203d8"
 authors = ["Shuhei Ohno"]
-version = "0.9.3"
+version = "0.9.4"
 
 [deps]
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
diff --git a/test/runtests.jl b/test/runtests.jl
index 91c94ee..1ae7cbf 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -10,7 +10,7 @@ using LaTeXStrings
 using SpecialFunctions
 
 @testset "Antique.jl" begin
-	for model in [:MorsePotential, :PoschlTeller] # [:HydrogenAtom, :CoulombTwoBody] # Antique.models
+	for model in [:HydrogenAtom, :CoulombTwoBody, :MorsePotential, :PoschlTeller] # Antique.models
 		result = @capture_out begin
 			include("./$(model).jl")
 		end