diff --git a/CHANGELOG.md b/CHANGELOG.md
index 82ac112..7e5c61c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,9 @@
 
 ### Improvements
 
+- [\#147](https://github.com/arkworks-rs/r1cs-std/pull/147) Remove dependency on
+  `ark-relations/std`.
+
 ### Bug Fixes
 
 ## 0.4.0
diff --git a/Cargo.toml b/Cargo.toml
index 7afc7d0..e788b12 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ ark-bn254 = { version = "0.4.0", features = ["curve"], default-features = false
 
 [features]
 default = ["std"]
-std = [ "ark-ff/std", "ark-relations/std", "ark-std/std", "num-bigint/std" ]
+std = [ "ark-ff/std", "ark-std/std", "num-bigint/std" ]
 parallel = [ "std", "ark-ff/parallel", "ark-std/parallel"]
 
 [[bench]]