diff --git a/Cargo.lock b/Cargo.lock
index 13f92fde4d..8b14a3a6a8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5458,8 +5458,8 @@ dependencies = [
 
 [[package]]
 name = "openvm-cuda-backend"
-version = "1.2.1-rc.3"
-source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.3#9c649e1c084f72b3cbdaebbb62d572eb05d088a0"
+version = "1.2.1-rc.5"
+source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.5#60ab2d6742f463dcbb929dc37493575c59bc3363"
 dependencies = [
  "bincode 2.0.1",
  "bincode_derive",
@@ -5490,8 +5490,8 @@ dependencies = [
 
 [[package]]
 name = "openvm-cuda-builder"
-version = "1.2.1-rc.3"
-source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.3#9c649e1c084f72b3cbdaebbb62d572eb05d088a0"
+version = "1.2.1-rc.5"
+source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.5#60ab2d6742f463dcbb929dc37493575c59bc3363"
 dependencies = [
  "cc",
  "glob",
@@ -5499,8 +5499,8 @@ dependencies = [
 
 [[package]]
 name = "openvm-cuda-common"
-version = "1.2.1-rc.3"
-source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.3#9c649e1c084f72b3cbdaebbb62d572eb05d088a0"
+version = "1.2.1-rc.5"
+source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.5#60ab2d6742f463dcbb929dc37493575c59bc3363"
 dependencies = [
  "bytesize",
  "ctor",
@@ -6244,8 +6244,8 @@ dependencies = [
 
 [[package]]
 name = "openvm-stark-backend"
-version = "1.2.1-rc.3"
-source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.3#9c649e1c084f72b3cbdaebbb62d572eb05d088a0"
+version = "1.2.1-rc.5"
+source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.5#60ab2d6742f463dcbb929dc37493575c59bc3363"
 dependencies = [
  "bitcode",
  "cfg-if",
@@ -6274,12 +6274,12 @@ dependencies = [
 
 [[package]]
 name = "openvm-stark-sdk"
-version = "1.2.1-rc.3"
-source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.3#9c649e1c084f72b3cbdaebbb62d572eb05d088a0"
+version = "1.2.1-rc.5"
+source = "git+https://github.com/openvm-org/stark-backend.git?tag=v1.2.1-rc.5#60ab2d6742f463dcbb929dc37493575c59bc3363"
 dependencies = [
  "dashmap",
  "derivative",
- "derive_more 0.99.20",
+ "derive_more 1.0.0",
  "ff 0.13.1",
  "itertools 0.14.0",
  "metrics",
diff --git a/Cargo.toml b/Cargo.toml
index 5d6c8f6d88..28b834501b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [workspace.package]
-version = "1.4.1-rc.1"
+version = "1.4.1-rc.2"
 edition = "2021"
 rust-version = "1.86.0"
 authors = ["OpenVM Authors"]
@@ -113,11 +113,11 @@ lto = "thin"
 
 [workspace.dependencies]
 # Stark Backend
-openvm-stark-backend = { git = "https://github.com/openvm-org/stark-backend.git", tag = "v1.2.1-rc.3", default-features = false }
-openvm-stark-sdk = { git = "https://github.com/openvm-org/stark-backend.git", tag = "v1.2.1-rc.3", default-features = false }
-openvm-cuda-backend = { git = "https://github.com/openvm-org/stark-backend.git", tag = "v1.2.1-rc.3", default-features = false }
-openvm-cuda-builder = { git = "https://github.com/openvm-org/stark-backend.git", tag = "v1.2.1-rc.3", default-features = false }
-openvm-cuda-common = { git = "https://github.com/openvm-org/stark-backend.git", tag = "v1.2.1-rc.3", default-features = false }
+openvm-stark-backend = { git = "https://github.com/openvm-org/stark-backend.git", rev="49898d84f9d6a651a4ddcbbb094ae10bb432fc8c", default-features = false }
+openvm-stark-sdk = { git = "https://github.com/openvm-org/stark-backend.git", rev="49898d84f9d6a651a4ddcbbb094ae10bb432fc8c", default-features = false }
+openvm-cuda-backend = { git = "https://github.com/openvm-org/stark-backend.git", rev="49898d84f9d6a651a4ddcbbb094ae10bb432fc8c", default-features = false }
+openvm-cuda-builder = { git = "https://github.com/openvm-org/stark-backend.git", rev="49898d84f9d6a651a4ddcbbb094ae10bb432fc8c", default-features = false }
+openvm-cuda-common = { git = "https://github.com/openvm-org/stark-backend.git", rev="49898d84f9d6a651a4ddcbbb094ae10bb432fc8c", default-features = false }
 
 # OpenVM
 openvm-sdk = { path = "crates/sdk", default-features = false }