diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76d6d2107b3977c1d782b1befcb09a14219a5d14..5762635dfa1489bf7fca25cec2d17decdfd5d81f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 Change Log
 ==========
 
+Version 2.6.3 *(2019-12-09)*
+----------------------------
+
+ * Fix: Change mechanism for avoiding `UndeclaredThrowableException` in rare cases from using `yield`
+   an explicit dispatch which ensures that it will work even on dispatchers which do not support yielding.
+
+
 Version 2.6.2 *(2019-09-23)*
 ----------------------------
 
diff --git a/README.md b/README.md
index 1db85f720f9bd25c270b4a83a6cd629ac3f94b47..9588e82b5554ccac725877781ff26c57b4b66966 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ For more information please see [the website][1].
 Download
 --------
 
-Download [the latest JAR][2] or grab from Maven central at the coordinates `com.squareup.retrofit2:retrofit:2.6.2`.
+Download [the latest JAR][2] or grab from Maven central at the coordinates `com.squareup.retrofit2:retrofit:2.6.3`.
 
 Snapshots of the development version are available in [Sonatype's `snapshots` repository][snap].
 
diff --git a/pom.xml b/pom.xml
index 7567c23eecd6eba79608179b23c65c1e77f31d3c..14b3a51b442ac2399a46cf851e8aba45e53a8c60 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
 
   <groupId>com.squareup.retrofit2</groupId>
   <artifactId>parent</artifactId>
-  <version>2.6.3-SNAPSHOT</version>
+  <version>2.6.3</version>
   <packaging>pom</packaging>
 
   <name>Retrofit (Parent)</name>
diff --git a/retrofit-adapters/guava/pom.xml b/retrofit-adapters/guava/pom.xml
index 0dbb9023045fee5df5856c2788e5fa340ab8e811..66a39f59a12fd305236acbc674d23ebd3af96cd1 100644
--- a/retrofit-adapters/guava/pom.xml
+++ b/retrofit-adapters/guava/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-adapters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-adapters/java8/pom.xml b/retrofit-adapters/java8/pom.xml
index 1a5406614cacec5a5d0c81799d8fb21107556c1a..8de09f3d4f702fca684e042a368bbf75c3a033a7 100644
--- a/retrofit-adapters/java8/pom.xml
+++ b/retrofit-adapters/java8/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-adapters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-adapters/pom.xml b/retrofit-adapters/pom.xml
index db264d468629e196956af3de7e2a1907a20ca6bb..f3366a0bef8dcce5e73deadb4e15246de3dfdd3c 100644
--- a/retrofit-adapters/pom.xml
+++ b/retrofit-adapters/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>parent</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-adapters/rxjava/pom.xml b/retrofit-adapters/rxjava/pom.xml
index d5a76cb804ad56d655a28f9cd5e305e2377dab01..3c7e221618295c2b578330fedad9f91f1dec542b 100644
--- a/retrofit-adapters/rxjava/pom.xml
+++ b/retrofit-adapters/rxjava/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-adapters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-adapters/rxjava2/pom.xml b/retrofit-adapters/rxjava2/pom.xml
index 4d3994700417cd93d8799a0b824de0b36cfa896a..38b4f2e7f4aa5bbb48b2cb298808d3642b9f4634 100644
--- a/retrofit-adapters/rxjava2/pom.xml
+++ b/retrofit-adapters/rxjava2/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-adapters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-adapters/scala/pom.xml b/retrofit-adapters/scala/pom.xml
index fe7fcf746c57fc1669e4dc86430861c1defb0ad8..703ea12972f522336916630a7ba0a9b3946a77fd 100644
--- a/retrofit-adapters/scala/pom.xml
+++ b/retrofit-adapters/scala/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-adapters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/gson/pom.xml b/retrofit-converters/gson/pom.xml
index 9c7a452f8be24ad093acd1d2e5d4f78c429fcc4c..a24fcc91678ae0c15d8720e0bcf040369e1f6c12 100644
--- a/retrofit-converters/gson/pom.xml
+++ b/retrofit-converters/gson/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/guava/pom.xml b/retrofit-converters/guava/pom.xml
index 6222b62794efd9198ba730a002deda12c7949503..85326c1d55130fee12f03819ca3dbe73260642ff 100644
--- a/retrofit-converters/guava/pom.xml
+++ b/retrofit-converters/guava/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/jackson/pom.xml b/retrofit-converters/jackson/pom.xml
index c6e8908313967474406cd6eaf39db20e155de923..c40f8f609af2d5e55321e7f8b775d215ab237bb9 100644
--- a/retrofit-converters/jackson/pom.xml
+++ b/retrofit-converters/jackson/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/java8/pom.xml b/retrofit-converters/java8/pom.xml
index 8410b6077323ca0eac01baced3d2ef7377290845..7a3965327eb79f32b4001acd967aca8b3fe4ba41 100644
--- a/retrofit-converters/java8/pom.xml
+++ b/retrofit-converters/java8/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/jaxb/pom.xml b/retrofit-converters/jaxb/pom.xml
index 5c5d2bb4acd125de05677865c40ea99efed076ce..d7892efece844026f9e757b737ce7e84810a2af4 100644
--- a/retrofit-converters/jaxb/pom.xml
+++ b/retrofit-converters/jaxb/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/moshi/pom.xml b/retrofit-converters/moshi/pom.xml
index 02c9ddd024c615a6d236e36a34351c207ad3ca8b..174d759f6b272fafb9e05d993c6a76dd8ace5dc8 100644
--- a/retrofit-converters/moshi/pom.xml
+++ b/retrofit-converters/moshi/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/pom.xml b/retrofit-converters/pom.xml
index 5a59d5db85bece0a6b2b73281cb7ce5b8b706f1b..4dc65815dde423dc951caa41d8a4ea4bb367bb5d 100644
--- a/retrofit-converters/pom.xml
+++ b/retrofit-converters/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>parent</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/protobuf/pom.xml b/retrofit-converters/protobuf/pom.xml
index 48d7a08ebe1aa1d96cfb3c15f7e8cb697d7270d4..4dc4cdbb54f0f14aec3903b1bc42034126604e40 100644
--- a/retrofit-converters/protobuf/pom.xml
+++ b/retrofit-converters/protobuf/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/scalars/pom.xml b/retrofit-converters/scalars/pom.xml
index 1bdf82e5343c8f9a872889968cdead1e7d8d268b..5df99a92159d2afe9e9094d971f269087b1cb114 100644
--- a/retrofit-converters/scalars/pom.xml
+++ b/retrofit-converters/scalars/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/simplexml/pom.xml b/retrofit-converters/simplexml/pom.xml
index fe945007fb67c21be2c39f4465f8f865f8fce568..960f59a1ee907f452d5f9b128187b908a01b68a4 100644
--- a/retrofit-converters/simplexml/pom.xml
+++ b/retrofit-converters/simplexml/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-converters/wire/pom.xml b/retrofit-converters/wire/pom.xml
index 1485c6f2085495439628c6da40ae43023c82d660..7a551bd83165d21dc4783c89bd0bd32f373e7ab4 100644
--- a/retrofit-converters/wire/pom.xml
+++ b/retrofit-converters/wire/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>retrofit-converters</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit-mock/pom.xml b/retrofit-mock/pom.xml
index 7227ce2372bf49187f352775247de652ce7c22b9..51acfa06c728830b47b84fad5b68ef7e8b6dba18 100644
--- a/retrofit-mock/pom.xml
+++ b/retrofit-mock/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>parent</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/retrofit/pom.xml b/retrofit/pom.xml
index 7c31ebeda7ac28f21b5970464bc2072535d4e323..f6cf7a57e682840f8986f1e0d1ef6d1d74e8a831 100644
--- a/retrofit/pom.xml
+++ b/retrofit/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>parent</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/samples/pom.xml b/samples/pom.xml
index 28416c83fae462b5f368f6b6acf7959daa3c64a8..4372156dd950ab7f28a6cb625e151ec074c8d4b3 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.retrofit2</groupId>
     <artifactId>parent</artifactId>
-    <version>2.6.3-SNAPSHOT</version>
+    <version>2.6.3</version>
     <relativePath>../pom.xml</relativePath>
   </parent>