diff --git a/src/020-objects/065-common-keys-of-unions-of-objects.problem.ts b/src/020-objects/065-common-keys-of-unions-of-objects.problem.ts
new file mode 100644
index 0000000..86b3367
--- /dev/null
+++ b/src/020-objects/065-common-keys-of-unions-of-objects.problem.ts
@@ -0,0 +1 @@
+// UserQuery | PostQuery
diff --git a/src/020-objects/065-omit-type-helper.problem.ts b/src/020-objects/066-omit-type-helper.problem.ts
similarity index 100%
rename from src/020-objects/065-omit-type-helper.problem.ts
rename to src/020-objects/066-omit-type-helper.problem.ts
diff --git a/src/020-objects/065-omit-type-helper.solution.1.ts b/src/020-objects/066-omit-type-helper.solution.1.ts
similarity index 100%
rename from src/020-objects/065-omit-type-helper.solution.1.ts
rename to src/020-objects/066-omit-type-helper.solution.1.ts
diff --git a/src/020-objects/065-omit-type-helper.solution.2.ts b/src/020-objects/066-omit-type-helper.solution.2.ts
similarity index 100%
rename from src/020-objects/065-omit-type-helper.solution.2.ts
rename to src/020-objects/066-omit-type-helper.solution.2.ts
diff --git a/src/020-objects/065.2-no-autocomplete-on-omit.explainer.ts b/src/020-objects/067-no-autocomplete-on-omit.explainer.ts
similarity index 100%
rename from src/020-objects/065.2-no-autocomplete-on-omit.explainer.ts
rename to src/020-objects/067-no-autocomplete-on-omit.explainer.ts
diff --git a/src/020-objects/065.5-omit-and-pick-cant-discribute.explainer.ts b/src/020-objects/068-omit-and-pick-cant-discribute.explainer.ts
similarity index 100%
rename from src/020-objects/065.5-omit-and-pick-cant-discribute.explainer.ts
rename to src/020-objects/068-omit-and-pick-cant-discribute.explainer.ts
diff --git a/src/020-objects/066-partial-type-helper.problem.ts b/src/020-objects/069-partial-type-helper.problem.ts
similarity index 100%
rename from src/020-objects/066-partial-type-helper.problem.ts
rename to src/020-objects/069-partial-type-helper.problem.ts
diff --git a/src/020-objects/066-partial-type-helper.solution.ts b/src/020-objects/069-partial-type-helper.solution.ts
similarity index 100%
rename from src/020-objects/066-partial-type-helper.solution.ts
rename to src/020-objects/069-partial-type-helper.solution.ts
diff --git a/src/020-objects/067-required-type-helper.explainer.ts b/src/020-objects/070-required-type-helper.explainer.ts
similarity index 100%
rename from src/020-objects/067-required-type-helper.explainer.ts
rename to src/020-objects/070-required-type-helper.explainer.ts