diff --git a/flake.lock b/flake.lock
index 3ba48a3..f37d4b6 100644
--- a/flake.lock
+++ b/flake.lock
@@ -53,23 +53,23 @@
       "locked": {
         "narHash": "sha256-m2S9nEfkklPRJCvt1ARm0Cng1W3itKyLEoccsJZJkIw=",
         "type": "file",
-        "url": "https://raw.githubusercontent.com/ipverse/asn-ip/master/as/45102/aggregated.json"
+        "url": "https://raw.githubusercontent.com/ipverse/asn-ip/9ded4fded5a63e5c49c43dfbe56461633e879254/as/45102/aggregated.json"
       },
       "original": {
         "type": "file",
-        "url": "https://raw.githubusercontent.com/ipverse/asn-ip/master/as/45102/aggregated.json"
+        "url": "https://raw.githubusercontent.com/ipverse/asn-ip/9ded4fded5a63e5c49c43dfbe56461633e879254/as/45102/aggregated.json"
       }
     },
     "asn-tencent": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-o9pzwzm2ij9hmyyEtc8ELYXyAOLblt//wqbcUgSl5sg=",
+        "narHash": "sha256-LaAb4TJ04ehv8/b14LGvaeh/y8m7jaZmVktnU14/pv0=",
         "type": "file",
-        "url": "https://raw.githubusercontent.com/ipverse/asn-ip/master/as/132203/aggregated.json"
+        "url": "https://raw.githubusercontent.com/ipverse/asn-ip/9ded4fded5a63e5c49c43dfbe56461633e879254/as/132203/aggregated.json"
       },
       "original": {
         "type": "file",
-        "url": "https://raw.githubusercontent.com/ipverse/asn-ip/master/as/132203/aggregated.json"
+        "url": "https://raw.githubusercontent.com/ipverse/asn-ip/9ded4fded5a63e5c49c43dfbe56461633e879254/as/132203/aggregated.json"
       }
     },
     "atlogin": {
diff --git a/flake.nix b/flake.nix
index cc3b16b..9893ec6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,11 +29,11 @@
     # announces 9.4M addresses and none of the observed traffic.
     # Refresh with `nix flake update asn-alibaba asn-tencent`.
     asn-alibaba = {
-      url = "file+https://raw.githubusercontent.com/ipverse/asn-ip/master/as/45102/aggregated.json";
+      url = "file+https://raw.githubusercontent.com/ipverse/asn-ip/9ded4fded5a63e5c49c43dfbe56461633e879254/as/45102/aggregated.json";
       flake = false;
     };
     asn-tencent = {
-      url = "file+https://raw.githubusercontent.com/ipverse/asn-ip/master/as/132203/aggregated.json";
+      url = "file+https://raw.githubusercontent.com/ipverse/asn-ip/9ded4fded5a63e5c49c43dfbe56461633e879254/as/132203/aggregated.json";
       flake = false;
     };
     disko = {