diff --git a/bucket/llvm.json b/bucket/llvm.json
index 981c88afed..a35a2bec93 100644
--- a/bucket/llvm.json
+++ b/bucket/llvm.json
@@ -4,11 +4,11 @@
     "license": "University of Illinois/NCSA Open Source License",
     "architecture": {
         "32bit": {
-            "url": "http://releases.llvm.org/5.0.0/LLVM-5.0.0-win32.exe",
+            "url": "https://releases.llvm.org/5.0.0/LLVM-5.0.0-win32.exe",
             "hash": "b7a7565680d3aad66c17f789c115b738be4af3bc16e2589923f7a940f32439f6"
         },
         "64bit": {
-            "url": "http://releases.llvm.org/5.0.0/LLVM-5.0.0-win64.exe",
+            "url": "https://releases.llvm.org/5.0.0/LLVM-5.0.0-win64.exe",
             "hash": "2b93843bd15623dc0e1bb52af85f2c0b41a89b6c1e613e6e6bd0da597c2639eb"
         }
     },
@@ -24,10 +24,10 @@
     "autoupdate": {
         "architecture": {
             "64bit": {
-                "url": "http://releases.llvm.org/$version/LLVM-$version-win64.exe"
+                "url": "https://releases.llvm.org/$version/LLVM-$version-win64.exe"
             },
             "32bit": {
-                "url": "http://releases.llvm.org/$version/LLVM-$version-win32.exe"
+                "url": "https://releases.llvm.org/$version/LLVM-$version-win32.exe"
             }
         }
     }