diff --git a/Cargo.lock b/Cargo.lock
index e58275738c929..ec06efa9b7c70 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6846,9 +6846,9 @@ checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.32"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba508cc11742c0dc5c1659771673afbab7a0efab23aa17e854cbab0837ed0b43"
+checksum = "392a54546fda6b7cc663379d0e6ce8b324cf88aecc5a499838e1be9781bdce2e"
 dependencies = [
  "unicode-xid",
 ]
@@ -11000,8 +11000,8 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f559b464de2e2bdabcac6a210d12e9b5a5973c251e102c44c585c71d51bd78e"
 dependencies = [
- "cfg-if 0.1.10",
- "rand 0.6.5",
+ "cfg-if 1.0.0",
+ "rand 0.8.4",
  "static_assertions",
 ]
 
diff --git a/client/chain-spec/derive/Cargo.toml b/client/chain-spec/derive/Cargo.toml
index 97573c8ca3b0c..8cfccdf3b09f9 100644
--- a/client/chain-spec/derive/Cargo.toml
+++ b/client/chain-spec/derive/Cargo.toml
@@ -16,7 +16,7 @@ proc-macro = true
 
 [dependencies]
 proc-macro-crate = "1.1.0"
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 quote = "1.0.10"
 syn = "1.0.82"
 
diff --git a/client/tracing/proc-macro/Cargo.toml b/client/tracing/proc-macro/Cargo.toml
index 53d463a4f4e50..01a664459134c 100644
--- a/client/tracing/proc-macro/Cargo.toml
+++ b/client/tracing/proc-macro/Cargo.toml
@@ -16,6 +16,6 @@ proc-macro = true
 
 [dependencies]
 proc-macro-crate = "1.1.0"
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 quote = { version = "1.0.10", features = ["proc-macro"] }
 syn = { version = "1.0.82", features = ["proc-macro", "full", "extra-traits", "parsing"] }
diff --git a/frame/staking/reward-curve/Cargo.toml b/frame/staking/reward-curve/Cargo.toml
index 7d95152ea65af..1b4253bff138d 100644
--- a/frame/staking/reward-curve/Cargo.toml
+++ b/frame/staking/reward-curve/Cargo.toml
@@ -17,7 +17,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.82", features = ["full", "visit"] }
 quote = "1.0.10"
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 proc-macro-crate = "1.1.0"
 
 [dev-dependencies]
diff --git a/frame/support/procedural/Cargo.toml b/frame/support/procedural/Cargo.toml
index 7a1eaa3a08176..f405f1ab81ae2 100644
--- a/frame/support/procedural/Cargo.toml
+++ b/frame/support/procedural/Cargo.toml
@@ -16,7 +16,7 @@ proc-macro = true
 
 [dependencies]
 frame-support-procedural-tools = { version = "4.0.0-dev", path = "./tools" }
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 quote = "1.0.10"
 Inflector = "0.11.4"
 syn = { version = "1.0.82", features = ["full"] }
diff --git a/frame/support/procedural/tools/Cargo.toml b/frame/support/procedural/tools/Cargo.toml
index 265952ebc4b72..b458c97e04839 100644
--- a/frame/support/procedural/tools/Cargo.toml
+++ b/frame/support/procedural/tools/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 frame-support-procedural-tools-derive = { version = "3.0.0", path = "./derive" }
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 quote = "1.0.10"
 syn = { version = "1.0.82", features = ["full", "visit", "extra-traits"] }
 proc-macro-crate = "1.1.0"
diff --git a/frame/support/procedural/tools/derive/Cargo.toml b/frame/support/procedural/tools/derive/Cargo.toml
index df994e14226d7..991393ee71225 100644
--- a/frame/support/procedural/tools/derive/Cargo.toml
+++ b/frame/support/procedural/tools/derive/Cargo.toml
@@ -15,6 +15,6 @@ targets = ["x86_64-unknown-linux-gnu"]
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 quote = { version = "1.0.10", features = ["proc-macro"] }
 syn = { version = "1.0.82", features = ["proc-macro" ,"full", "extra-traits", "parsing"] }
diff --git a/primitives/api/proc-macro/Cargo.toml b/primitives/api/proc-macro/Cargo.toml
index 4afc07833649c..c546213419503 100644
--- a/primitives/api/proc-macro/Cargo.toml
+++ b/primitives/api/proc-macro/Cargo.toml
@@ -18,7 +18,7 @@ proc-macro = true
 [dependencies]
 quote = "1.0.10"
 syn = { version = "1.0.82", features = ["full", "fold", "extra-traits", "visit"] }
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 blake2-rfc = { version = "0.2.18", default-features = false }
 proc-macro-crate = "1.1.0"
 
diff --git a/primitives/core/hashing/proc-macro/Cargo.toml b/primitives/core/hashing/proc-macro/Cargo.toml
index 4df40e55bc907..c9a7669d189a2 100644
--- a/primitives/core/hashing/proc-macro/Cargo.toml
+++ b/primitives/core/hashing/proc-macro/Cargo.toml
@@ -18,5 +18,5 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.82", features = ["full", "parsing"] }
 quote = "1.0.6"
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 sp-core-hashing = { version = "4.0.0", path = "../", default-features = false }
diff --git a/primitives/npos-elections/solution-type/Cargo.toml b/primitives/npos-elections/solution-type/Cargo.toml
index cf2a2016500a0..12271418730a7 100644
--- a/primitives/npos-elections/solution-type/Cargo.toml
+++ b/primitives/npos-elections/solution-type/Cargo.toml
@@ -17,7 +17,7 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.82", features = ["full", "visit"] }
 quote = "1.0"
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 proc-macro-crate = "1.1.0"
 
 [dev-dependencies]
diff --git a/primitives/runtime-interface/proc-macro/Cargo.toml b/primitives/runtime-interface/proc-macro/Cargo.toml
index 031906486b559..73b964e7d8001 100644
--- a/primitives/runtime-interface/proc-macro/Cargo.toml
+++ b/primitives/runtime-interface/proc-macro/Cargo.toml
@@ -18,6 +18,6 @@ proc-macro = true
 [dependencies]
 syn = { version = "1.0.82", features = ["full", "visit", "fold", "extra-traits"] }
 quote = "1.0.10"
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 Inflector = "0.11.4"
 proc-macro-crate = "1.1.0"
diff --git a/primitives/version/proc-macro/Cargo.toml b/primitives/version/proc-macro/Cargo.toml
index df254e64f34cf..95ca35eaee20c 100644
--- a/primitives/version/proc-macro/Cargo.toml
+++ b/primitives/version/proc-macro/Cargo.toml
@@ -18,7 +18,7 @@ proc-macro = true
 [dependencies]
 quote = "1.0.10"
 syn = { version = "1.0.82", features = ["full", "fold", "extra-traits", "visit"] }
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 codec = { package = "parity-scale-codec", version = "2.0.0", features = [ "derive" ] }
 
 [dev-dependencies]
diff --git a/test-utils/derive/Cargo.toml b/test-utils/derive/Cargo.toml
index 83782a2ba5ff2..b94cd43632ae1 100644
--- a/test-utils/derive/Cargo.toml
+++ b/test-utils/derive/Cargo.toml
@@ -12,7 +12,7 @@ description = "Substrate test utilities macros"
 quote = "1.0.10"
 syn = { version = "1.0.82", features = ["full"] }
 proc-macro-crate = "1.1.0"
-proc-macro2 = "1.0.29"
+proc-macro2 = "1.0.35"
 
 [lib]
 proc-macro = true