diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff6875b2..41fafa21 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # clvm_tools_rs Changelog
 
+## 0.1.42
+### Fixed
+- Subtle differences with python representation of disassmebled strings.
+- Bug in CSE that would lift common subexpressions above their containing
+  forms.
+
 ## 0.1.41
 ### Changed
 - Addition of assemble, disassemble and compile from string to python api.
diff --git a/Cargo.lock b/Cargo.lock
index 51bba966..2fe9a1f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -201,7 +201,7 @@ dependencies = [
 
 [[package]]
 name = "clvm_tools_rs"
-version = "0.1.41"
+version = "0.1.42"
 dependencies = [
  "binascii",
  "bls12_381",
diff --git a/Cargo.toml b/Cargo.toml
index cfd47ea7..a182ccb1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "clvm_tools_rs"
-version = "0.1.41"
+version = "0.1.42"
 edition = "2018"
 authors = ["Art Yerkes <art.yerkes@gmail.com>"]
 description = "tools for working with chialisp language; compiler, repl, python and wasm bindings"
diff --git a/wasm/Cargo.lock b/wasm/Cargo.lock
index 3bcc6037..bd6a1e9e 100644
--- a/wasm/Cargo.lock
+++ b/wasm/Cargo.lock
@@ -201,7 +201,7 @@ dependencies = [
 
 [[package]]
 name = "clvm_tools_rs"
-version = "0.1.41"
+version = "0.1.42"
 dependencies = [
  "binascii",
  "bls12_381",
@@ -233,7 +233,7 @@ dependencies = [
 
 [[package]]
 name = "clvm_tools_wasm"
-version = "0.1.41"
+version = "0.1.42"
 dependencies = [
  "clvm_tools_rs",
  "clvmr",
diff --git a/wasm/Cargo.toml b/wasm/Cargo.toml
index 6b8516e4..4252e59c 100644
--- a/wasm/Cargo.toml
+++ b/wasm/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "clvm_tools_wasm"
-version = "0.1.41"
+version = "0.1.42"
 edition = "2018"
 authors = ["Art Yerkes <art.yerkes@gmail.com>"]
 description = "tools for working with chialisp language; compiler, repl, python and wasm bindings"