diff --git a/contents.json b/contents.json
index 6efa1b70..7671b3ba 100644
--- a/contents.json
+++ b/contents.json
@@ -29907,7 +29907,7 @@
         "finance"
       ],
       "itunes": "https://apps.apple.com/app/motivator-money-counter/id6444535220",
-      "source": "https://github.com/DaniSpringer/timeismoney",
+      "source": "https://github.com/danispringer/timeismoney",
       "tags": [
         "swift"
       ],
@@ -29924,7 +29924,7 @@
         "color"
       ],
       "itunes": "https://apps.apple.com/app/pickerfull/id1410565176",
-      "source": "https://github.com/DaniSpringer/pickerfull",
+      "source": "https://github.com/danispringer/pickerfull",
       "tags": [
         "swift"
       ],
@@ -29941,7 +29941,7 @@
         "misc"
       ],
       "itunes": "https://apps.apple.com/app/mathee/id1406084758",
-      "source": "https://github.com/DaniSpringer/mathee",
+      "source": "https://github.com/danispringer/mathee",
       "tags": [
         "swift"
       ],
@@ -29957,7 +29957,7 @@
         "misc"
       ],
       "itunes": "https://apps.apple.com/app/prefacto/id1402417667",
-      "source": "https://github.com/DaniSpringer/prefacto",
+      "source": "https://github.com/danispringer/prefacto",
       "tags": [
         "swift"
       ],