diff --git a/Cargo.lock b/Cargo.lock
index e956a9d..e008eb8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1294,6 +1294,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "diff"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e25ea47919b1560c4e3b7fe0aaab9becf5b84a10325ddf7db0f0ba5e1026499"
+
 [[package]]
 name = "difference"
 version = "2.0.0"
@@ -5773,13 +5779,13 @@ dependencies = [
 
 [[package]]
 name = "pretty_assertions"
-version = "0.6.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f81e1644e1b54f5a68959a29aa86cde704219254669da328ecfdf6a1f09d427"
+checksum = "f297542c27a7df8d45de2b0e620308ab883ad232d06c14b76ac3e144bda50184"
 dependencies = [
- "ansi_term 0.11.0",
+ "ansi_term 0.12.1",
  "ctor",
- "difference",
+ "diff",
  "output_vt100",
 ]
 
diff --git a/bin/node/primitives/Cargo.toml b/bin/node/primitives/Cargo.toml
index 043ec5a..a3c0f7b 100644
--- a/bin/node/primitives/Cargo.toml
+++ b/bin/node/primitives/Cargo.toml
@@ -19,7 +19,7 @@ sp-runtime = { version = "3.0.0", default-features = false, path = "../../../pri
 
 [dev-dependencies]
 sp-serializer = { version = "3.0.0", path = "../../../primitives/serializer" }
-pretty_assertions = "0.6.1"
+pretty_assertions = "0.7.1"
 
 [features]
 default = ["std"]
diff --git a/frame/contracts/Cargo.toml b/frame/contracts/Cargo.toml
index c5ba615..2361007 100644
--- a/frame/contracts/Cargo.toml
+++ b/frame/contracts/Cargo.toml
@@ -43,7 +43,7 @@ pallet-balances = { version = "3.0.0", path = "../balances" }
 pallet-timestamp = { version = "3.0.0", path = "../timestamp" }
 pallet-randomness-collective-flip = { version = "3.0.0", path = "../randomness-collective-flip" }
 paste = "1.0"
-pretty_assertions = "0.6.1"
+pretty_assertions = "0.7.1"
 wat = "1.0"
 
 [features]
diff --git a/frame/support/Cargo.toml b/frame/support/Cargo.toml
index 8edf1ff..8bba5be 100644
--- a/frame/support/Cargo.toml
+++ b/frame/support/Cargo.toml
@@ -34,7 +34,7 @@ impl-trait-for-tuples = "0.2.1"
 smallvec = "1.4.1"
 
 [dev-dependencies]
-pretty_assertions = "0.6.1"
+pretty_assertions = "0.7.1"
 frame-system = { version = "3.0.0", path = "../system" }
 parity-util-mem = { version = "0.9.0", default-features = false, features = ["primitive-types"] }
 substrate-test-runtime-client = { version = "2.0.0", path = "../../test-utils/runtime/client" }
diff --git a/frame/support/test/Cargo.toml b/frame/support/test/Cargo.toml
index 67cf668..5e6c653 100644
--- a/frame/support/test/Cargo.toml
+++ b/frame/support/test/Cargo.toml
@@ -22,7 +22,7 @@ sp-runtime = { version = "3.0.0", default-features = false, path = "../../../pri
 sp-core = { version = "3.0.0", default-features = false, path = "../../../primitives/core" }
 sp-std = { version = "3.0.0", default-features = false, path = "../../../primitives/std" }
 trybuild = "1.0.38"
-pretty_assertions = "0.6.1"
+pretty_assertions = "0.7.1"
 rustversion = "1.0.0"
 frame-metadata = { version = "13.0.0", default-features = false, path = "../../metadata" }
 frame-system = { version = "3.0.0", default-features = false, path = "../../system" }
diff --git a/primitives/core/Cargo.toml b/primitives/core/Cargo.toml
index 3d9cf12..07e1027 100644
--- a/primitives/core/Cargo.toml
+++ b/primitives/core/Cargo.toml
@@ -56,7 +56,7 @@ sp-runtime-interface = { version = "3.0.0", default-features = false, path = "..
 
 [dev-dependencies]
 sp-serializer = { version = "3.0.0", path = "../serializer" }
-pretty_assertions = "0.6.1"
+pretty_assertions = "0.7.1"
 hex-literal = "0.3.1"
 rand = "0.7.2"
 criterion = "0.3.3"
diff --git a/primitives/state-machine/Cargo.toml b/primitives/state-machine/Cargo.toml
index 9db850c..f57a377 100644
--- a/primitives/state-machine/Cargo.toml
+++ b/primitives/state-machine/Cargo.toml
@@ -33,7 +33,7 @@ sp-std = { version = "3.0.0", default-features = false, path = "../std" }
 [dev-dependencies]
 hex-literal = "0.3.1"
 sp-runtime = { version = "3.0.0", path = "../runtime" }
-pretty_assertions = "0.6.1"
+pretty_assertions = "0.7.1"
 
 [features]
 default = ["std"]