diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5df6b81..d5a25b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,17 @@
 Change Log
 ==========
 
+## Version 1.9.1
+
+_2019-10-30_
+
+ * Fix: Generate code to support constructors with more than 32 parameters. The 1.9.0 release had
+   a regression where classes with 33+ parameters would crash upon decoding.
+ * Fix: Generate code to support more constructor cases, such as classes with non-property
+   parameters and classes with multiple constructors.
+ * Fix: Generate code to handle type aliases in type parameters.
+
+
 ## Version 1.9.0
 
 _2019-10-29_
diff --git a/README.md b/README.md
index 33679ca..fe93480 100644
--- a/README.md
+++ b/README.md
@@ -533,12 +533,12 @@ The reflection adapter requires the following additional dependency:
 <dependency>
   <groupId>com.squareup.moshi</groupId>
   <artifactId>moshi-kotlin</artifactId>
-  <version>1.9.0</version>
+  <version>1.9.1</version>
 </dependency>
 ```
 
 ```kotlin
-implementation("com.squareup.moshi:moshi-kotlin:1.9.0")
+implementation("com.squareup.moshi:moshi-kotlin:1.9.1")
 ```
 
 Note that the reflection adapter transitively depends on the `kotlin-reflect` library which is a
@@ -568,13 +568,13 @@ add the following to your build to enable the annotation processor:
 <dependency>
   <groupId>com.squareup.moshi</groupId>
   <artifactId>moshi-kotlin-codegen</artifactId>
-  <version>1.9.0</version>
+  <version>1.9.1</version>
   <scope>provided</scope>
 </dependency>
 ```
 
 ```kotlin
-kapt("com.squareup.moshi:moshi-kotlin-codegen:1.9.0")
+kapt("com.squareup.moshi:moshi-kotlin-codegen:1.9.1")
 ```
 
 You must also have the `kotlin-stdlib` dependency on the classpath during compilation in order for
@@ -600,12 +600,12 @@ Download [the latest JAR][dl] or depend via Maven:
 <dependency>
   <groupId>com.squareup.moshi</groupId>
   <artifactId>moshi</artifactId>
-  <version>1.9.0</version>
+  <version>1.9.1</version>
 </dependency>
 ```
 or Gradle:
 ```kotlin
-implementation("com.squareup.moshi:moshi:1.9.0")
+implementation("com.squareup.moshi:moshi:1.9.1")
 ```
 
 Snapshots of the development version are available in [Sonatype's `snapshots` repository][snap].