diff --git a/hugr-cli/Cargo.toml b/hugr-cli/Cargo.toml
index 27fd2d13f..10e75cc84 100644
--- a/hugr-cli/Cargo.toml
+++ b/hugr-cli/Cargo.toml
@@ -14,10 +14,10 @@ categories = ["compilers"]
 
 
 [dependencies]
-clap = {workspace = true, features = ["derive"]}
+clap = { workspace = true, features = ["derive"] }
 clap-stdin.workspace = true
 clap-verbosity-flag.workspace = true
-hugr-core = { path = "../hugr-core", version = "0.3.0" }
+hugr-core = { path = "../hugr-core", version = "0.3.1" }
 serde_json.workspace = true
 thiserror.workspace = true
 
diff --git a/hugr-core/CHANGELOG.md b/hugr-core/CHANGELOG.md
index 46d336099..6109e1ff5 100644
--- a/hugr-core/CHANGELOG.md
+++ b/hugr-core/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 0.3.1 (2024-07-08)
+
+### Bug Fixes
+
+- Bring back input_extensions serialized field in rust NodeSer ([#1275](https://github.com/CQCL/hugr/pull/1275))
+
+
 ## 0.3.0 (2024-06-28)
 
 ### Bug Fixes
diff --git a/hugr-core/Cargo.toml b/hugr-core/Cargo.toml
index 2be3268df..12f083bab 100644
--- a/hugr-core/Cargo.toml
+++ b/hugr-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr-core"
-version = "0.3.0"
+version = "0.3.1"
 edition = { workspace = true }
 rust-version = { workspace = true }
 
diff --git a/hugr-passes/Cargo.toml b/hugr-passes/Cargo.toml
index a714d39e6..467c92505 100644
--- a/hugr-passes/Cargo.toml
+++ b/hugr-passes/Cargo.toml
@@ -13,7 +13,7 @@ keywords = ["Quantum", "Quantinuum"]
 categories = ["compilers"]
 
 [dependencies]
-hugr-core = { path = "../hugr-core", version = "0.3.0" }
+hugr-core = { path = "../hugr-core", version = "0.3.1" }
 itertools = { workspace = true }
 lazy_static = { workspace = true }
 paste = { workspace = true }
diff --git a/hugr/CHANGELOG.md b/hugr/CHANGELOG.md
index 0e3440edd..9e8aa607c 100644
--- a/hugr/CHANGELOG.md
+++ b/hugr/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 0.6.1 (2024-07-08)
+
+### Bug Fixes
+
+- Bring back input_extensions serialized field in rust NodeSer ([#1275](https://github.com/CQCL/hugr/pull/1275))
+
+
 ## 0.6.0 (2024-06-28)
 
 ### Bug Fixes
diff --git a/hugr/Cargo.toml b/hugr/Cargo.toml
index 87c685c85..730d8576d 100644
--- a/hugr/Cargo.toml
+++ b/hugr/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "hugr"
-version = "0.6.0"
+version = "0.6.1"
 edition = { workspace = true }
 rust-version = { workspace = true }
 
@@ -25,7 +25,7 @@ path = "src/lib.rs"
 extension_inference = []
 
 [dependencies]
-hugr-core = { path = "../hugr-core", version = "0.3.0" }
+hugr-core = { path = "../hugr-core", version = "0.3.1" }
 hugr-passes = { path = "../hugr-passes", version = "0.3.0" }
 
 [dev-dependencies]