diff --git a/nimble.lock b/nimble.lock
index 65948cd..4a4865c 100644
--- a/nimble.lock
+++ b/nimble.lock
@@ -209,7 +209,7 @@
       }
     },
     "ffi": {
-      "version": "#v0.1.5-rc.2",
+      "version": "0.1.5",
       "vcsRevision": "0a6bf6c49ff8d956899c2a3bb3a2b3ab8ed5281f",
       "url": "https://github.com/logos-messaging/nim-ffi",
       "downloadMethod": "git",
diff --git a/nix/deps.nix b/nix/deps.nix
index f728089..2cb0460 100644
--- a/nix/deps.nix
+++ b/nix/deps.nix
@@ -117,8 +117,8 @@
 
   ffi = pkgs.fetchgit {
     url = "https://github.com/logos-messaging/nim-ffi";
-    rev = "d4c87c1f94c4678eea7d32a8f5f41c72420fadb6";
-    sha256 = "14dm92l3wl8sc5a108612r1cgjvxksy2chzmn1asph6frl4lm641";
+    rev = "0a6bf6c49ff8d956899c2a3bb3a2b3ab8ed5281f";
+    sha256 = "0hif67h33fzn679pxq48v5y7al6ijgqdl5nf5gv0v4mkbhfbkffg";
     fetchSubmodules = true;
   };