diff --git a/Cargo.lock b/Cargo.lock
index 06bf4a4..1536a92 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -913,9 +913,9 @@ checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
 
 [[package]]
 name = "dummy"
-version = "0.8.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cac124e13ae9aa56acc4241f8c8207501d93afdd8d8e62f0c1f2e12f6508c65"
+checksum = "3bbcf21279103a67372982cb1156a2154a452451dff2b884cf897ccecce389e0"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -978,13 +978,14 @@ dependencies = [
 
 [[package]]
 name = "fake"
-version = "2.10.0"
+version = "4.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d391ba4af7f1d93f01fcf7b2f29e2bc9348e109dfdbf4dcbdc51dfa38dab0b6"
+checksum = "f2b0902eb36fbab51c14eda1c186bda119fcff91e5e4e7fc2dd2077298197ce8"
 dependencies = [
  "deunicode",
  "dummy",
- "rand 0.8.5",
+ "either",
+ "rand 0.9.2",
 ]
 
 [[package]]
diff --git a/crates/impulse-integration-tests/Cargo.toml b/crates/impulse-integration-tests/Cargo.toml
index b6ac2cc..2d9bc64 100644
--- a/crates/impulse-integration-tests/Cargo.toml
+++ b/crates/impulse-integration-tests/Cargo.toml
@@ -30,7 +30,7 @@ tokio = { workspace = true, features = ["full", "test-util"] }
 # Testing infrastructure
 tempfile = "3.14"
 proptest = { workspace = true }
-fake = { version = "2.10", features = ["derive"] }
+fake = { version = "4.4", features = ["derive"] }
 criterion = { workspace = true }
 
 # Standard dependencies