diff --git a/build.zig.zon b/build.zig.zon
index 0330b01..bd9e01e 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -12,8 +12,8 @@
             .hash = "1220b1536d43ed8ce79ee05c53929f90b67dd299e61dfa249fa8f476f17eee46a95f",
         },
         .protobuf_c = .{
-            .url = "git+https://github.com/allyourcodebase/protobuf-c.git?ref=master#a84d562c7f3fa6ba7d6226a731371a54cab18b40",
-            .hash = "1220621919007f94cb09c425ab0df5982f10c7effd0005a275046a608183574575fc",
+            .url = "git+https://github.com/allyourcodebase/protobuf-c.git?ref=1.5.0#ae7587481485e615d3866861703d41d3efc22b82",
+            .hash = "1220f454bf9412333c5d21b8c21b323fc7e4e37b02341bf2fa49f110b8bc5d97c972",
         },
     },
     .paths = .{