diff --git a/Cargo.lock b/Cargo.lock
index e963ad0..ab552c6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -80,7 +80,7 @@ checksum = "21a53c0a4d288377e7415b53dcfc3c04da5cdc2cc95c8d5ac178b58f0b861ad6"
 
 [[package]]
 name = "ff"
-version = "0.13.1"
+version = "0.14.0-pre.0"
 dependencies = [
  "bitvec",
  "blake2b_simd",
@@ -93,7 +93,7 @@ dependencies = [
 
 [[package]]
 name = "ff_derive"
-version = "0.13.1"
+version = "0.14.0-pre.0"
 dependencies = [
  "addchain",
  "num-bigint",
diff --git a/Cargo.toml b/Cargo.toml
index d832b5e..a5f7f7c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ff"
-version = "0.13.1"
+version = "0.14.0-pre.0"
 authors = [
     "Sean Bowe <ewillbefull@gmail.com>",
     "Jack Grigg <thestr4d@gmail.com>",
@@ -17,7 +17,7 @@ repository = "https://github.com/zkcrypto/ff"
 [dependencies]
 bitvec = { version = "1", default-features = false, optional = true }
 byteorder = { version = "1", default-features = false, optional = true }
-ff_derive = { version = "0.13.1", path = "ff_derive", optional = true }
+ff_derive = { version = "=0.14.0-pre.0", path = "ff_derive", optional = true }
 rand_core = { version = "0.9", default-features = false }
 subtle = { version = "2.2.1", default-features = false, features = ["i128"] }
 
diff --git a/ff_derive/Cargo.toml b/ff_derive/Cargo.toml
index 88c1e2d..6ae2aa0 100644
--- a/ff_derive/Cargo.toml
+++ b/ff_derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ff_derive"
-version = "0.13.1"
+version = "0.14.0-pre.0"
 authors = [
     "Sean Bowe <ewillbefull@gmail.com>",
     "Jack Grigg <thestr4d@gmail.com>",