diff --git a/Cargo.toml b/Cargo.toml
index 0c77575..2f81456 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ tracing = "0.1"
 thiserror = "2.0"
 
 # OpenFeature SDK
-open-feature = "0.2"
+open-feature = "0.3"
 
 # Async runtime
 async-trait = "0.1"
diff --git a/crates/env-var/Cargo.toml b/crates/env-var/Cargo.toml
index f61176c..5d14fd4 100644
--- a/crates/env-var/Cargo.toml
+++ b/crates/env-var/Cargo.toml
@@ -14,7 +14,7 @@ keywords = ["open-feature", "feature-flag", "environment-variable"]
 maintenance = { status = "actively-developed" }
 
 [dependencies]
-open-feature = "0.2.7"
+open-feature = "0.3.0"
 async-trait = "0.1.89"
 
 [dev-dependencies]
diff --git a/crates/flagsmith/Cargo.toml b/crates/flagsmith/Cargo.toml
index e37dbbb..8850aa9 100644
--- a/crates/flagsmith/Cargo.toml
+++ b/crates/flagsmith/Cargo.toml
@@ -13,7 +13,7 @@ keywords = ["openfeature", "feature-flags", "flagsmith"]
 
 [dependencies]
 # OpenFeature SDK
-open-feature = "0.2"
+open-feature = "0.3"
 
 # Flagsmith SDK
 flagsmith = "2.1"
diff --git a/crates/flipt/Cargo.toml b/crates/flipt/Cargo.toml
index 2d02588..519683b 100644
--- a/crates/flipt/Cargo.toml
+++ b/crates/flipt/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2024"
 
 [dependencies]
 flipt = "=1.1.1"
-open-feature = "0.2.7"
+open-feature = "0.3.0"
 serde_json = "1.0"
 # FIXME: openfeature-rust-sdk-contrib should export this
 async-trait = "0.1"