diff --git a/Example.juvix b/Example.juvix
index e938d67..8dd84be 100644
--- a/Example.juvix
+++ b/Example.juvix
@@ -8,17 +8,11 @@ headMay {A} : List A -> Maybe A := map just >> head nothing;
 tests : List Test :=
   [ testCase "1 == 1" (assertEqual "1 /= 1" 1 1)
   ; testCase "[1] == [1]" (assertEqual "[1] /= [1]" [1] [1])
-  ; testCase
-    "length [1] == 1"
-    (assertTrue "length [1] /= 1" (length [1] == 1))
+  ; testCase "length [1] == 1" (assertTrue "length [1] /= 1" (length [1] == 1))
   ; testCase
     "headMay [] is nothing"
-    (assertNothing
-      λ {xs := "expected nothing, got: " ++str Show.show xs}
-      (headMay {Nat} []))
-  ; testCase
-    "headMay [1] is just"
-    (assertJust "expected just, got nothing" (headMay [1]))
+    (assertNothing λ {xs := "expected nothing, got: " ++str Show.show xs} (headMay {Nat} []))
+  ; testCase "headMay [1] is just" (assertJust "expected just, got nothing" (headMay [1]))
   ];
 
 main : IO := runTestSuite (testSuite "Example" tests);
diff --git a/Package.juvix b/Package.juvix
index 6f0070a..9a0a234 100644
--- a/Package.juvix
+++ b/Package.juvix
@@ -3,11 +3,8 @@ module Package;
 import PackageDescription.V2 open;
 
 package : Package :=
-  defaultPackage
-    {name := "test";
-     version := mkVersion 0 11 0;
-     dependencies := [ github
-                       "anoma"
-                       "juvix-stdlib"
-                       "v0.4.0"
-                     ]};
+  defaultPackage@?{
+    name := "test";
+    version := mkVersion 0 12 0;
+    dependencies := [github "anoma" "juvix-stdlib" "v0.5.0"]
+  };
diff --git a/Test/JuvixUnit.juvix b/Test/JuvixUnit.juvix
index 07b6988..8b76351 100644
--- a/Test/JuvixUnit.juvix
+++ b/Test/JuvixUnit.juvix
@@ -23,8 +23,7 @@ type TestSuite :=
     tests : List Test
   };
 
-anyFail (suite : TestSuite) : Bool :=
-  any (Test.assertion >> isFail) (TestSuite.tests suite);
+anyFail (suite : TestSuite) : Bool := any (Test.assertion >> isFail) (TestSuite.tests suite);
 
 runTests : List Test -> IO :=
   let
@@ -32,40 +31,25 @@ runTests : List Test -> IO :=
       | pass := "OK"
       | (fail msg) := "FAIL: " ++str msg;
     runTest (t : Test) : IO :=
-      printStringLn
-        (Test.name t
-          ++str "\t\t"
-          ++str showAssertion (Test.assertion t));
+      printStringLn (Test.name t ++str "\t\t" ++str showAssertion (Test.assertion t));
   in foldr λ {t acc := runTest t >>> acc} (printString "");
 
 runTestSuite (suite : TestSuite) : IO :=
-  printStringLn
-      ("Test suite '" ++str TestSuite.name suite ++str "'")
+  printStringLn ("Test suite '" ++str TestSuite.name suite ++str "'")
     >>> runTests (TestSuite.tests suite)
-    >>> printStringLn
-      ("All tests from test suite '"
-        ++str TestSuite.name suite
-        ++str "' complete")
-    >>> ite
-      (anyFail suite)
-      (Fail.failwith "Suite failed")
-      (printStringLn "Suite passed");
+    >>> printStringLn ("All tests from test suite '" ++str TestSuite.name suite ++str "' complete")
+    >>> ite (anyFail suite) (Fail.failwith "Suite failed") (printStringLn "Suite passed");
 
-failWhen (msg : String) (b : Bool) : Assertion :=
-  ite b (fail msg) pass;
+failWhen (msg : String) (b : Bool) : Assertion := ite b (fail msg) pass;
 
-failUnless (msg : String) (b : Bool) : Assertion :=
-  failWhen msg (not b);
+failUnless (msg : String) (b : Bool) : Assertion := failWhen msg (not b);
 
 assertTrue : String -> Bool -> Assertion := failUnless;
 
 assertFalse : String -> Bool -> Assertion := failWhen;
 
-assertJust {A} (msg : String) : Maybe A -> Assertion :=
-  maybe (fail msg) (const pass);
+assertJust {A} (msg : String) : Maybe A -> Assertion := maybe (fail msg) (const pass);
 
-assertNothing {A} (mkMsg : A -> String)
-  : Maybe A -> Assertion := maybe pass (mkMsg >> fail);
+assertNothing {A} (mkMsg : A -> String) : Maybe A -> Assertion := maybe pass (mkMsg >> fail);
 
-assertEqual {A} {{Eq A}} (msg : String) (a1 a2 : A)
-  : Assertion := failUnless msg (a1 == a2);
+assertEqual {A} {{Eq A}} (msg : String) (a1 a2 : A) : Assertion := failUnless msg (a1 == a2);
diff --git a/juvix.lock.yaml b/juvix.lock.yaml
index 3497647..5b32eb2 100644
--- a/juvix.lock.yaml
+++ b/juvix.lock.yaml
@@ -1,11 +1,11 @@
-# This file was autogenerated by Juvix version 0.6.3.
+# This file was autogenerated by Juvix version 0.6.4.
 # Do not edit this file manually.
 
 version: 2
-checksum: 792ac5870f4193fd7a2ce6336e1cc664e91872f3984be33ee8f5981de39df018
+checksum: ccfae54b08216f345ed4d42cf26fa111a95ae51d1171c611b86352af409ee561
 dependencies:
 - git:
     name: anoma_juvix-stdlib
-    ref: 89a5960fb8a29291e9271986b98ca7b1edf4031b
+    ref: 16211500dc59a944f851fbaeeef703fdd09163fa
     url: https://github.com/anoma/juvix-stdlib
   dependencies: []
diff --git a/tests/Package.juvix b/tests/Package.juvix
index e2ac54a..fbb1cfe 100644
--- a/tests/Package.juvix
+++ b/tests/Package.juvix
@@ -3,11 +3,7 @@ module Package;
 import PackageDescription.V2 open;
 
 package : Package :=
-  defaultPackage
-    {name := "tests";
-     dependencies := [ path "../"
-                     ; github
-                       "anoma"
-                       "juvix-stdlib"
-                       "v0.4.0"
-                     ]};
+  defaultPackage@?{
+    name := "tests";
+    dependencies := [path "../"; github "anoma" "juvix-stdlib" "v0.5.0"]
+  };
diff --git a/tests/TestFail.juvix b/tests/TestFail.juvix
index b141c94..47ecabc 100644
--- a/tests/TestFail.juvix
+++ b/tests/TestFail.juvix
@@ -5,8 +5,8 @@ import Test.JuvixUnit open;
 
 main : IO :=
   runTestSuite
-    (testSuite
-      (name := "TestFail";
-      tests := [ testCase "2 == 1" (assertEqual "2 /= 1" 2 1)
-               ; testCase "1 == 1" (assertEqual "1 /= 1" 1 1)
-               ]));
+    testSuite@?{
+      name := "TestFail";
+      tests :=
+        [testCase "2 == 1" (assertEqual "2 /= 1" 2 1); testCase "1 == 1" (assertEqual "1 /= 1" 1 1)]
+    };
diff --git a/tests/TestPass.juvix b/tests/TestPass.juvix
index be5129a..abf2c6b 100644
--- a/tests/TestPass.juvix
+++ b/tests/TestPass.juvix
@@ -5,6 +5,7 @@ import Test.JuvixUnit open;
 
 main : IO :=
   runTestSuite
-    (testSuite
-      (name := "TestPass";
-      tests := [testCase "1 == 1" (assertEqual "1 /= 1" 1 1)]));
+    testSuite@?{
+      name := "TestPass";
+      tests := [testCase "1 == 1" (assertEqual "1 /= 1" 1 1)]
+    };
diff --git a/tests/juvix.lock.yaml b/tests/juvix.lock.yaml
index 0d26dd3..73a63aa 100644
--- a/tests/juvix.lock.yaml
+++ b/tests/juvix.lock.yaml
@@ -1,18 +1,18 @@
-# This file was autogenerated by Juvix version 0.6.3.
+# This file was autogenerated by Juvix version 0.6.4.
 # Do not edit this file manually.
 
 version: 2
-checksum: 217a59a792323e680e3389cb3ab31f3534004fbbc7f695d3d81f66be6d7e7c41
+checksum: c18d1a5878618cd758cd7a371c641facc945dc4c4d4ea7831135a01fa84bf6be
 dependencies:
 - path: ../
   dependencies:
   - git:
       name: anoma_juvix-stdlib
-      ref: 89a5960fb8a29291e9271986b98ca7b1edf4031b
+      ref: 16211500dc59a944f851fbaeeef703fdd09163fa
       url: https://github.com/anoma/juvix-stdlib
     dependencies: []
 - git:
     name: anoma_juvix-stdlib
-    ref: 89a5960fb8a29291e9271986b98ca7b1edf4031b
+    ref: 16211500dc59a944f851fbaeeef703fdd09163fa
     url: https://github.com/anoma/juvix-stdlib
   dependencies: []