diff --git a/programs/openbook-v2/fuzz/Cargo.lock b/programs/openbook-v2/fuzz/Cargo.lock
index 8a62ca05a..dd18849bc 100644
--- a/programs/openbook-v2/fuzz/Cargo.lock
+++ b/programs/openbook-v2/fuzz/Cargo.lock
@@ -1247,9 +1247,10 @@ dependencies = [
 [[package]]
 name = "fixed"
 version = "1.11.0"
+source = "git+https://github.com/blockworks-foundation/fixed.git?branch=v1.11.0-borsh0_10-mango#01516ae3e29418feb066b67830540aa81d04df05"
 dependencies = [
  "az",
- "borsh 0.9.3",
+ "borsh 0.10.3",
  "bytemuck",
  "half",
  "serde",
diff --git a/programs/openbook-v2/src/i80f48.rs b/programs/openbook-v2/src/i80f48.rs
index 75da25df6..a222d7ed8 100644
--- a/programs/openbook-v2/src/i80f48.rs
+++ b/programs/openbook-v2/src/i80f48.rs
@@ -1,9 +1,9 @@
-use fixed::types::I80F48;
-
 // regression test for https://gitlab.com/tspiteri/fixed/-/issues/57
 // see https://github.com/blockworks-foundation/fixed/issues/1
 #[test]
 fn bug_fixed_comparison_u64() {
+    use fixed::types::I80F48;
+
     let a: u64 = 66000;
     let b: u64 = 1000;
     assert!(I80F48::from(a) > b); // fails!
diff --git a/programs/openbook-v2/src/lib.rs b/programs/openbook-v2/src/lib.rs
index e3deb4d01..f758aeef1 100644
--- a/programs/openbook-v2/src/lib.rs
+++ b/programs/openbook-v2/src/lib.rs
@@ -18,6 +18,7 @@ pub mod pubkey_option;
 pub mod state;
 pub mod token_utils;
 pub mod types;
+
 mod i80f48;
 
 #[cfg(feature = "enable-gpl")]