diff --git a/Cargo.lock b/Cargo.lock
index 512ba45b4..5f1306700 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -102,7 +102,7 @@ dependencies = [
  "encoding_rs",
  "flate2",
  "futures-core",
- "h2",
+ "h2 0.3.26",
  "http 0.2.9",
  "httparse",
  "httpdate",
@@ -436,6 +436,12 @@ dependencies = [
  "syn 2.0.85",
 ]
 
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -1523,6 +1529,25 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "h2"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "524e8ac6999421f49a846c2d4411f337e53497d8ec55d67753beffa43c5d9205"
+dependencies = [
+ "atomic-waker",
+ "bytes",
+ "fnv",
+ "futures-core",
+ "futures-sink",
+ "http 1.0.0",
+ "indexmap 2.6.0",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tracing",
+]
+
 [[package]]
 name = "hamcrest2"
 version = "0.3.0"
@@ -1639,6 +1664,19 @@ dependencies = [
  "http 1.0.0",
 ]
 
+[[package]]
+name = "http-body-util"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793429d76616a256bcb62c2a2ec2bed781c8307e797e2598c50010f2bee2544f"
+dependencies = [
+ "bytes",
+ "futures-util",
+ "http 1.0.0",
+ "http-body 1.0.0",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "http-range"
 version = "0.1.5"
@@ -1673,7 +1711,7 @@ dependencies = [
  "futures-channel",
  "futures-core",
  "futures-util",
- "h2",
+ "h2 0.3.26",
  "http 0.2.9",
  "http-body 0.4.5",
  "httparse",
@@ -1694,8 +1732,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb5aa53871fc917b1a9ed87b683a5d86db645e23acb32c2e0785a353e522fb75"
 dependencies = [
  "bytes",
+ "futures-channel",
+ "futures-util",
+ "h2 0.4.6",
  "http 1.0.0",
  "http-body 1.0.0",
+ "httparse",
+ "httpdate",
+ "itoa",
  "pin-project-lite",
  "tokio",
 ]
@@ -1727,6 +1771,22 @@ dependencies = [
  "tokio-native-tls",
 ]
 
+[[package]]
+name = "hyper-util"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca38ef113da30126bbff9cd1705f9273e15d45498615d138b0c20279ac7a76aa"
+dependencies = [
+ "bytes",
+ "futures-util",
+ "http 1.0.0",
+ "http-body 1.0.0",
+ "hyper 1.1.0",
+ "pin-project-lite",
+ "socket2 0.5.3",
+ "tokio",
+]
+
 [[package]]
 name = "iana-time-zone"
 version = "0.1.57"
@@ -2094,20 +2154,26 @@ dependencies = [
 
 [[package]]
 name = "mockito"
-version = "0.31.1"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80f9fece9bd97ab74339fe19f4bcaf52b76dcc18e5364c7977c1838f76b38de9"
+checksum = "652cd6d169a36eaf9d1e6bce1a221130439a966d7f27858af66a33a66e9c4ee2"
 dependencies = [
  "assert-json-diff",
+ "bytes",
  "colored",
- "httparse",
- "lazy_static",
+ "futures-util",
+ "http 1.0.0",
+ "http-body 1.0.0",
+ "http-body-util",
+ "hyper 1.1.0",
+ "hyper-util",
  "log",
  "rand 0.8.5",
  "regex",
  "serde_json",
  "serde_urlencoded",
  "similar",
+ "tokio",
 ]
 
 [[package]]
@@ -2853,7 +2919,7 @@ dependencies = [
  "encoding_rs",
  "futures-core",
  "futures-util",
- "h2",
+ "h2 0.3.26",
  "http 0.2.9",
  "http-body 0.4.5",
  "hyper 0.14.28",
diff --git a/cincinnati/Cargo.toml b/cincinnati/Cargo.toml
index 17aa48dce..fcdf7c111 100644
--- a/cincinnati/Cargo.toml
+++ b/cincinnati/Cargo.toml
@@ -47,7 +47,7 @@ similar = { version = "2.6.0", optional = true }
 thiserror = "1.0"
 
 [dev-dependencies]
-mockito = "0.31.1"
+mockito = "1.6.1"
 serde_json = "1.0.109"
 memchr = "^2.7"
 pretty_assertions = "1.4.1"
diff --git a/policy-engine/Cargo.toml b/policy-engine/Cargo.toml
index d64018601..da9e3219e 100644
--- a/policy-engine/Cargo.toml
+++ b/policy-engine/Cargo.toml
@@ -38,4 +38,4 @@ built = { version = "^0.7.4", features = [ "git2" ]}
 [dev-dependencies]
 tokio = { version = "1.33", features = [ "rt-multi-thread" ] }
 memchr = "^2.7"
-mockito = "0.31.1"
+mockito = "1.6.1"