diff --git a/.github/release-please/manifest.json b/.github/release-please/manifest.json
index 8032c17e..38acea67 100644
--- a/.github/release-please/manifest.json
+++ b/.github/release-please/manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.12.0"
+  ".": "0.12.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index df6e3738..495c5d64 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.12.1](https://github.com/fluencelabs/marine-rs-sdk-test/compare/marine-rs-sdk-test-v0.12.0...marine-rs-sdk-test-v0.12.1) (2023-12-20)
+
+
+### Bug Fixes
+
+* allow unused imports in marine-test-env ([#111](https://github.com/fluencelabs/marine-rs-sdk-test/issues/111)) ([05321fe](https://github.com/fluencelabs/marine-rs-sdk-test/commit/05321fe7b0e09fd95f2b190e08a10fb278f83779))
+
 ## [0.12.0](https://github.com/fluencelabs/marine-rs-sdk-test/compare/marine-rs-sdk-test-v0.11.1...marine-rs-sdk-test-v0.12.0) (2023-12-14)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index d4f162ed..c982e16b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -147,7 +147,7 @@ dependencies = [
 
 [[package]]
 name = "build-rs-example"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "marine-rs-sdk 0.8.1",
  "marine-rs-sdk-test",
@@ -288,7 +288,7 @@ dependencies = [
 
 [[package]]
 name = "consumer"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "marine-rs-sdk 0.8.1",
 ]
@@ -1171,7 +1171,7 @@ checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
 
 [[package]]
 name = "marine-build-rs-generator"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "marine-test-macro-impl",
 ]
@@ -1424,7 +1424,7 @@ dependencies = [
 
 [[package]]
 name = "marine-rs-sdk-test"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "fluence-app-service",
  "marine-build-rs-generator",
@@ -1466,7 +1466,7 @@ dependencies = [
 
 [[package]]
 name = "marine-test-macro"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "marine-test-macro-impl",
  "proc-macro-error",
@@ -1477,7 +1477,7 @@ dependencies = [
 
 [[package]]
 name = "marine-test-macro-impl"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "darling",
  "fluence-app-service",
@@ -1608,7 +1608,7 @@ dependencies = [
 
 [[package]]
 name = "multi-service-example"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "marine-rs-sdk-test",
 ]
@@ -1773,7 +1773,7 @@ dependencies = [
 
 [[package]]
 name = "producer"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "marine-rs-sdk 0.8.1",
 ]
@@ -2047,7 +2047,7 @@ dependencies = [
 
 [[package]]
 name = "single-service-example"
-version = "0.12.0"
+version = "0.12.1"
 dependencies = [
  "marine-rs-sdk 0.8.1",
  "marine-rs-sdk-test",
diff --git a/Cargo.toml b/Cargo.toml
index 98535b5f..5462a84e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "marine-rs-sdk-test"
-version = "0.12.0"
+version = "0.12.1"
 description = "Backend SDK that allows testing modules for the Marine runtime"
 documentation = "https://docs.rs/marine-rs-sdk-test"
 repository = "https://github.com/fluencelabs/marine-rs-sdk-test"
@@ -21,8 +21,8 @@ doctest = false
 trybuild = "1.0"
 
 [dependencies]
-marine-test-macro = { path = "crates/marine-test-macro", version = "=0.12.0" }
-marine-build-rs-generator = { path = "crates/marine-build-rs-generator", version = "=0.12.0" }
+marine-test-macro = { path = "crates/marine-test-macro", version = "=0.12.1" }
+marine-build-rs-generator = { path = "crates/marine-build-rs-generator", version = "=0.12.1" }
 fluence-app-service = { version = "0.31.0", features = ["raw-module-api"] }
 
 serde = { version = "1.0.162", features = ["derive"] }
diff --git a/crates/marine-build-rs-generator/Cargo.toml b/crates/marine-build-rs-generator/Cargo.toml
index 0c9af901..7a2e0678 100644
--- a/crates/marine-build-rs-generator/Cargo.toml
+++ b/crates/marine-build-rs-generator/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "marine-build-rs-generator"
-version = "0.12.0"
+version = "0.12.1"
 edition = "2018"
 description = "Tools for generating marine_test_env in build scripts"
 documentation = "https://docs.rs/marine-build-rs-generator"
@@ -17,4 +17,4 @@ all-features = true
 doctest = false
 
 [dependencies]
-marine-test-macro-impl = { path = "../marine-test-macro-impl", version = "=0.12.0" }
+marine-test-macro-impl = { path = "../marine-test-macro-impl", version = "=0.12.1" }
diff --git a/crates/marine-test-macro-impl/Cargo.toml b/crates/marine-test-macro-impl/Cargo.toml
index b8379b99..c4f3aaaa 100644
--- a/crates/marine-test-macro-impl/Cargo.toml
+++ b/crates/marine-test-macro-impl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "marine-test-macro-impl"
-version = "0.12.0"
+version = "0.12.1"
 edition = "2018"
 description = "Implementation of the `#[marine_test]` macro"
 documentation = "https://docs.rs/fluence/marine-test-macro-impl"
diff --git a/crates/marine-test-macro/Cargo.toml b/crates/marine-test-macro/Cargo.toml
index 8e9db301..600a43cf 100644
--- a/crates/marine-test-macro/Cargo.toml
+++ b/crates/marine-test-macro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "marine-test-macro"
-version = "0.12.0"
+version = "0.12.1"
 edition = "2018"
 description = "Definition of the `#[marine_test]` macro"
 documentation = "https://docs.rs/fluence/marine-test-macro"
@@ -18,7 +18,7 @@ proc-macro = true
 doctest = false
 
 [dependencies]
-marine-test-macro-impl = { path = "../marine-test-macro-impl", version = "=0.12.0" }
+marine-test-macro-impl = { path = "../marine-test-macro-impl", version = "=0.12.1" }
 
 quote = "1.0.26"
 proc-macro2 = "1.0.69"
diff --git a/examples/build_rs/Cargo.toml b/examples/build_rs/Cargo.toml
index d798bdc9..eeb7d4f7 100644
--- a/examples/build_rs/Cargo.toml
+++ b/examples/build_rs/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "build-rs-example"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Fluence Labs"]
 description = "The greeting module for the Fluence network"
 repository = "https://github.com/fluencelabs/marine/tree/master/examples/build_rs"
diff --git a/examples/multi-service/Cargo.toml b/examples/multi-service/Cargo.toml
index b1e32116..1cc51205 100644
--- a/examples/multi-service/Cargo.toml
+++ b/examples/multi-service/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "multi-service-example"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Fluence Labs"]
 edition = "2021"
 publish = false
diff --git a/examples/multi-service/consumer/Cargo.toml b/examples/multi-service/consumer/Cargo.toml
index 18c9f2fc..590cddcd 100644
--- a/examples/multi-service/consumer/Cargo.toml
+++ b/examples/multi-service/consumer/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "consumer"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Fluence Labs"]
 edition = "2021"
 publish = false
diff --git a/examples/multi-service/producer/Cargo.toml b/examples/multi-service/producer/Cargo.toml
index 28a9090d..fc278061 100644
--- a/examples/multi-service/producer/Cargo.toml
+++ b/examples/multi-service/producer/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "producer"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Fluence Labs"]
 edition = "2021"
 publish = false
diff --git a/examples/single-service/Cargo.toml b/examples/single-service/Cargo.toml
index 09fb9bb1..5831cbf6 100644
--- a/examples/single-service/Cargo.toml
+++ b/examples/single-service/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "single-service-example"
-version = "0.12.0"
+version = "0.12.1"
 authors = ["Fluence Labs"]
 description = "The greeting module for the Fluence network"
 repository = "https://github.com/fluencelabs/marine/tree/master/examples/greeting"