diff --git a/Cargo.lock b/Cargo.lock
index dc62bfad2ab..78c4ff388b7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -897,6 +897,12 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
 
+[[package]]
+name = "difflib"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6184e33543162437515c2e2b48714794e37845ec9851711914eec9d308f6ebe8"
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -939,9 +945,9 @@ dependencies = [
 
 [[package]]
 name = "downcast"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4bb454f0228b18c7f4c3b0ebbee346ed9c52e7443b0999cd543ff3571205701d"
+checksum = "1435fa1053d8b2fbbe9be7e97eca7f33d37b28409959813daefc1446a14247f1"
 
 [[package]]
 name = "either"
@@ -1134,9 +1140,9 @@ checksum = "398ea4fabe40b9b0d885340a2a991a44c8a645624075ad966d21f88688e2b69e"
 
 [[package]]
 name = "float-cmp"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1267f4ac4f343772758f7b1bdcbe767c218bbab93bb432acbf5162bbf85a6c4"
+checksum = "98de4bbd547a563b716d8dfa9aad1cb19bfab00f4fa09a6a4ed21dbcf44ce9c4"
 dependencies = [
  "num-traits",
 ]
@@ -2575,9 +2581,9 @@ dependencies = [
 
 [[package]]
 name = "mockall"
-version = "0.9.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18d614ad23f9bb59119b8b5670a85c7ba92c5e9adf4385c81ea00c51c8be33d5"
+checksum = "e2be9a9090bc1cac2930688fa9478092a64c6a92ddc6ae0692d46b37d9cab709"
 dependencies = [
  "cfg-if 1.0.0",
  "downcast",
@@ -2590,9 +2596,9 @@ dependencies = [
 
 [[package]]
 name = "mockall_derive"
-version = "0.9.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dd4234635bca06fc96c7368d038061e0aae1b00a764dc817e900dc974e3deea"
+checksum = "86d702a0530a0141cf4ed147cf5ec7be6f2c187d4e37fcbefc39cf34116bfe8f"
 dependencies = [
  "cfg-if 1.0.0",
  "proc-macro2",
@@ -3043,12 +3049,13 @@ dependencies = [
 
 [[package]]
 name = "predicates"
-version = "1.0.8"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f49cfaf7fdaa3bfacc6fa3e7054e65148878354a5cfddcf661df4c851f8021df"
+checksum = "a5aab5be6e4732b473071984b3164dbbfb7a3674d30ea5ff44410b6bcd960c3c"
 dependencies = [
- "difference",
+ "difflib",
  "float-cmp",
+ "itertools",
  "normalize-line-endings",
  "predicates-core",
  "regex",
@@ -3165,11 +3172,11 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.36"
+version = "1.0.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+checksum = "cdcc2916cde080c1876ff40292a396541241fe0072ef928cd76582e9ea5d60d2"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -4241,13 +4248,13 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
 
 [[package]]
 name = "syn"
-version = "1.0.74"
+version = "1.0.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1873d832550d4588c3dbc20f01361ab00bfe741048f71e3fecf145a7cc18b29c"
+checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd"
 dependencies = [
  "proc-macro2",
  "quote",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -4948,6 +4955,12 @@ dependencies = [
  "matches",
 ]
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15c61ba63f9235225a22310255a29b806b907c9b8c964bcbd0a2c70f3f2deea7"
+
 [[package]]
 name = "unicode-normalization"
 version = "0.1.19"
diff --git a/chain/ethereum/Cargo.toml b/chain/ethereum/Cargo.toml
index 8f0aa30b255..64154685000 100644
--- a/chain/ethereum/Cargo.toml
+++ b/chain/ethereum/Cargo.toml
@@ -9,7 +9,7 @@ http = "0.2.4"
 jsonrpc-core = "17.0.0"
 graph = { path = "../../graph" }
 lazy_static = "1.2.0"
-mockall = "0.9.1"
+mockall = "0.11.2"
 serde = "1.0"
 prost = "0.8"
 prost-types = "0.8"