diff --git a/src/lib.rs b/src/lib.rs
index 3eef490..a18f70b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -344,7 +344,7 @@ where
     T: nom::InputTakeAtPosition,
     <T as nom::InputTakeAtPosition>::Item: AsChar,
 {
-    let allowed_chars = ['.', '-', '@', ':', '/'];
+    let allowed_chars = ['.', '-', '@', ':', '/', '#'];
     input.split_at_position1_complete(
         |item| {
             let c: char = item.as_char();
@@ -867,6 +867,29 @@ __metadata:
             entry_version("  version: \"workspace:@bar/baz\"\r\n"),
             Ok(("", EntryItem::Version("workspace:@bar/baz")))
         );
+
+        // github:
+        assert_eq!(
+            entry_version(" version \"github:settlemint/node-http-proxy\"\r\n"),
+            Ok(("", EntryItem::Version("github:settlemint/node-http-proxy")))
+        );
+        assert_eq!(
+            entry_version(" version \"github:settlemint/node-http-proxy#master\"\n"),
+            Ok((
+                "",
+                EntryItem::Version("github:settlemint/node-http-proxy#master")
+            ))
+        );
+
+        // npm:
+        assert_eq!(
+            entry_version(" version \"npm:foo-bar\"\r\n"),
+            Ok(("", EntryItem::Version("npm:foo-bar")))
+        );
+        assert_eq!(
+            entry_version(" version \"npm:@scope/foo-bar\"\r\n"),
+            Ok(("", EntryItem::Version("npm:@scope/foo-bar")))
+        );
     }
 
     #[test]
@@ -996,4 +1019,22 @@ __metadata:
         assert_eq!(k.0, "bar");
         assert_eq!(k.1, "foo\r\n");
     }
+
+    #[test]
+    fn supports_github_version_protocol() {
+        // yarn > 1
+        let content = std::fs::read_to_string("tests/github_version/yarn.lock").unwrap();
+        let res = parse(&content);
+        assert!(!res.is_err());
+
+        // yarn 1
+        let content = std::fs::read_to_string("tests/github_version/yarn1.lock").unwrap();
+        let res = parse(&content);
+        assert!(!res.is_err());
+
+        // bun
+        let content = std::fs::read_to_string("tests/github_version/bun.lock").unwrap();
+        let res = parse(&content);
+        assert!(!res.is_err());
+    }
 }
diff --git a/tests/github_version/bun.lock b/tests/github_version/bun.lock
new file mode 100644
index 0000000..157faae
--- /dev/null
+++ b/tests/github_version/bun.lock
@@ -0,0 +1,27 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+# bun ./bun.lockb --hash: 7F473F5D2B55CA2E-cb32e6eeae8aaed5-4B75F0417FE02D3A-7529672ac3001866
+
+
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz"
+  integrity sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==
+
+follow-redirects@^1.0.0:
+  version "1.15.5"
+  resolved "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.5.tgz"
+  integrity sha512-vSFWUON1B+yAw1VN4xMfxgn5fTUiaOzAJCKBwIIgT/+7CuGy9+r+5gITvP62j3RmaD5Ph65UaERdOSRGUzZtgw==
+
+"http-proxy@github:settlemint/node-http-proxy#master":
+  version "github:settlemint/node-http-proxy#a19114f"
+  resolved "github:settlemint/node-http-proxy#a19114f"
+  dependencies:
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
+
+requires-port@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz"
+  integrity sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==
diff --git a/tests/github_version/yarn.lock b/tests/github_version/yarn.lock
new file mode 100644
index 0000000..398b5c3
--- /dev/null
+++ b/tests/github_version/yarn.lock
@@ -0,0 +1,49 @@
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
+  version: 6
+  cacheKey: 8
+
+"eventemitter3@npm:^4.0.0":
+  version: 4.0.7
+  resolution: "eventemitter3@npm:4.0.7"
+  checksum: 1875311c42fcfe9c707b2712c32664a245629b42bb0a5a84439762dd0fd637fc54d078155ea83c2af9e0323c9ac13687e03cfba79b03af9f40c89b4960099374
+  languageName: node
+  linkType: hard
+
+"follow-redirects@npm:^1.0.0":
+  version: 1.15.5
+  resolution: "follow-redirects@npm:1.15.5"
+  peerDependenciesMeta:
+    debug:
+      optional: true
+  checksum: 5ca49b5ce6f44338cbfc3546823357e7a70813cecc9b7b768158a1d32c1e62e7407c944402a918ea8c38ae2e78266312d617dc68783fac502cbb55e1047b34ec
+  languageName: node
+  linkType: hard
+
+"http-proxy@github:settlemint/node-http-proxy#master":
+  version: 1.18.1
+  resolution: "http-proxy@https://github.com/settlemint/node-http-proxy.git#commit=a19114ff99d40de15ef1112fe344e31f2328e521"
+  dependencies:
+    eventemitter3: ^4.0.0
+    follow-redirects: ^1.0.0
+    requires-port: ^1.0.0
+  checksum: 97bac218fcc81afc9174c223671812e351b60d4c1610afbb9266bcdd26749c6deecda612bfb120d4bb15a20e47b4165b713ad1199bd09b231e81aa4aa5d5bb36
+  languageName: node
+  linkType: hard
+
+"requires-port@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "requires-port@npm:1.0.0"
+  checksum: eee0e303adffb69be55d1a214e415cf42b7441ae858c76dfc5353148644f6fd6e698926fc4643f510d5c126d12a705e7c8ed7e38061113bdf37547ab356797ff
+  languageName: node
+  linkType: hard
+
+"test@workspace:.":
+  version: 0.0.0-use.local
+  resolution: "test@workspace:."
+  dependencies:
+    http-proxy: "github:settlemint/node-http-proxy#master"
+  languageName: unknown
+  linkType: soft
diff --git a/tests/github_version/yarn1.lock b/tests/github_version/yarn1.lock
new file mode 100644
index 0000000..deb1352
--- /dev/null
+++ b/tests/github_version/yarn1.lock
@@ -0,0 +1,26 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+eventemitter3@^4.0.0:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
+  integrity sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==
+
+follow-redirects@^1.0.0:
+  version "1.15.5"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.5.tgz#54d4d6d062c0fa7d9d17feb008461550e3ba8020"
+  integrity sha512-vSFWUON1B+yAw1VN4xMfxgn5fTUiaOzAJCKBwIIgT/+7CuGy9+r+5gITvP62j3RmaD5Ph65UaERdOSRGUzZtgw==
+
+"http-proxy@github:settlemint/node-http-proxy#master":
+  version "1.18.1"
+  resolved "https://codeload.github.com/settlemint/node-http-proxy/tar.gz/a19114ff99d40de15ef1112fe344e31f2328e521"
+  dependencies:
+    eventemitter3 "^4.0.0"
+    follow-redirects "^1.0.0"
+    requires-port "^1.0.0"
+
+requires-port@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+  integrity sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==