diff --git a/CHANGELOG.md b/CHANGELOG.md
index 399c67d..cb7dbb1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
  
+## [v0.5.1](https://github.com/lf-lang/epoch/tree/v0.5.1) (2023-09-12)
+
+**Highlights**
+
+This release features an updated Lingua Franca compiler.
+
+**📖 Documentation**
+
+- Updated README [\#49](https://github.com/lf-lang/epoch/pull/49) (@edwardalee)
+
+
+ 
 ## [v0.5.0](https://github.com/lf-lang/epoch/tree/v0.5.0) (2023-09-01)
 
 **Highlights**
diff --git a/org.lflang.product/META-INF/MANIFEST.MF b/org.lflang.product/META-INF/MANIFEST.MF
index 7783419..62dc2e8 100644
--- a/org.lflang.product/META-INF/MANIFEST.MF
+++ b/org.lflang.product/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Lingua Franca Product
 Bundle-SymbolicName: org.lflang.product;singleton:=true
-Bundle-Version: 0.5.1.qualifier
+Bundle-Version: 0.5.1
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Automatic-Module-Name: org.lflang.product
 Bundle-Vendor: University of California, Berkeley
diff --git a/org.lflang.product/plugin.xml b/org.lflang.product/plugin.xml
index 600f839..ae5b4a1 100644
--- a/org.lflang.product/plugin.xml
+++ b/org.lflang.product/plugin.xml
@@ -34,7 +34,7 @@
          </property>
          <property
                name="aboutText"
-               value="Version: 0.5.1-SNAPSHOT.&#x0A;&#x0A;Epoch is an IDE for Lingua Franca, a polyglot coordination language for building concurrent and distributed software that delivers predictable and reproducible reactive behavior.&#x0A;&#x0A;Visit our GitHub: https://repo.lf-lang.org/.&#x0A;&#x0A;This software is licensed under the BSD 2-Clause License.&#x0A;Copyright © 2019-2022, the Lingua Franca contributors. All rights reserved.">
+               value="Version: 0.5.1.&#x0A;&#x0A;Epoch is an IDE for Lingua Franca, a polyglot coordination language for building concurrent and distributed software that delivers predictable and reproducible reactive behavior.&#x0A;&#x0A;Visit our GitHub: https://repo.lf-lang.org/.&#x0A;&#x0A;This software is licensed under the BSD 2-Clause License.&#x0A;Copyright © 2019-2022, the Lingua Franca contributors. All rights reserved.">
          </property>
          <property
                name="preferenceCustomization"
diff --git a/org.lflang.product/pom.xml b/org.lflang.product/pom.xml
index 5760381..229f9e8 100644
--- a/org.lflang.product/pom.xml
+++ b/org.lflang.product/pom.xml
@@ -8,7 +8,7 @@
 		<relativePath>../pom.xml</relativePath>
 		<groupId>org.lflang</groupId>
 		<artifactId>lf</artifactId>
-		<version>0.5.1-SNAPSHOT</version>
+		<version>0.5.1</version>
 	</parent>
 
 	<artifactId>org.lflang.product</artifactId>
diff --git a/org.lflang.product/splash.bmp b/org.lflang.product/splash.bmp
index 7f41e3c..ff307d5 100644
Binary files a/org.lflang.product/splash.bmp and b/org.lflang.product/splash.bmp differ
diff --git a/org.lflang.rca/lflang.product b/org.lflang.rca/lflang.product
index 135015c..f5307a2 100644
--- a/org.lflang.rca/lflang.product
+++ b/org.lflang.rca/lflang.product
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?pde version="3.5"?>
 
-<product name="Epoch IDE" uid="org.lflang.rca" id="org.lflang.product.lfrca" application="org.eclipse.ui.ide.workbench" version="0.5.1.qualifier" useFeatures="true" includeLaunchers="true">
+<product name="Epoch IDE" uid="org.lflang.rca" id="org.lflang.product.lfrca" application="org.eclipse.ui.ide.workbench" version="0.5.1" useFeatures="true" includeLaunchers="true">
 
    <aboutInfo>
       <image path="/org.lflang.product/icons/lf-logo.png"/>
diff --git a/org.lflang.rca/pom.xml b/org.lflang.rca/pom.xml
index d49c770..a883599 100644
--- a/org.lflang.rca/pom.xml
+++ b/org.lflang.rca/pom.xml
@@ -8,10 +8,10 @@
 		<relativePath>../pom.xml</relativePath>
 		<groupId>org.lflang</groupId>
 		<artifactId>lf</artifactId>
-		<version>0.5.1-SNAPSHOT</version>
+		<version>0.5.1</version>
 	</parent>
 
-	<version>0.5.1-SNAPSHOT</version>
+	<version>0.5.1</version>
 	<artifactId>org.lflang.rca</artifactId>
 	<packaging>eclipse-repository</packaging>
 	<name>Lingua Franca Epoch IDE</name>
diff --git a/org.lflang.sdk/feature.xml b/org.lflang.sdk/feature.xml
index 9c4fdff..0d99a9c 100644
--- a/org.lflang.sdk/feature.xml
+++ b/org.lflang.sdk/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.lflang.sdk"
       label="Lingua Franca SDK"
-      version="0.5.1.qualifier">
+      version="0.5.1">
 
    <requires>
       <import feature="org.eclipse.xtext.runtime" version="2.8.0" match="greaterOrEqual"/>
diff --git a/org.lflang.sdk/pom.xml b/org.lflang.sdk/pom.xml
index f1aefb2..7b2cee4 100644
--- a/org.lflang.sdk/pom.xml
+++ b/org.lflang.sdk/pom.xml
@@ -7,7 +7,7 @@
         <relativePath>../pom.xml</relativePath>
         <groupId>org.lflang</groupId>
         <artifactId>lf</artifactId>
-        <version>0.5.1-SNAPSHOT</version>
+        <version>0.5.1</version>
     </parent>
 
     <artifactId>org.lflang.sdk</artifactId>
diff --git a/org.lflang.targetplatform/pom.xml b/org.lflang.targetplatform/pom.xml
index 029680d..d787350 100644
--- a/org.lflang.targetplatform/pom.xml
+++ b/org.lflang.targetplatform/pom.xml
@@ -4,7 +4,7 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
-	<version>0.5.1-SNAPSHOT</version>
+	<version>0.5.1</version>
 	<artifactId>org.lflang.targetplatform</artifactId>
 	<packaging>eclipse-target-definition</packaging>
 	<name>Lingua Franca Target Platform</name>
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.lflang</groupId>
 		<artifactId>lf</artifactId>
-		<version>0.5.1-SNAPSHOT</version>
+		<version>0.5.1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.lflang.ui.tests/META-INF/MANIFEST.MF b/org.lflang.ui.tests/META-INF/MANIFEST.MF
index 8506e3c..aa70046 100644
--- a/org.lflang.ui.tests/META-INF/MANIFEST.MF
+++ b/org.lflang.ui.tests/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: Lingua Franca UI Tests
 Bundle-Vendor: University of California, Berkeley
-Bundle-Version: 0.5.1.qualifier
+Bundle-Version: 0.5.1
 Bundle-SymbolicName: org.lflang.ui.tests;singleton:=true
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Bundle-ActivationPolicy: lazy
diff --git a/org.lflang.ui.tests/pom.xml b/org.lflang.ui.tests/pom.xml
index f3dfeef..5f098e3 100644
--- a/org.lflang.ui.tests/pom.xml
+++ b/org.lflang.ui.tests/pom.xml
@@ -7,7 +7,7 @@
     <relativePath>../pom.xml</relativePath>
     <groupId>org.lflang</groupId>
     <artifactId>lf</artifactId>
-    <version>0.5.1-SNAPSHOT</version>
+    <version>0.5.1</version>
   </parent>
     
   <artifactId>org.lflang.ui.tests</artifactId>
diff --git a/org.lflang.ui/META-INF/MANIFEST.MF b/org.lflang.ui/META-INF/MANIFEST.MF
index baeec6b..2858495 100644
--- a/org.lflang.ui/META-INF/MANIFEST.MF
+++ b/org.lflang.ui/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@ Automatic-Module-Name: org.lflang.ui
 Bundle-ManifestVersion: 2
 Bundle-Name: Lingua Franca UI
 Bundle-Vendor: University of California, Berkeley
-Bundle-Version: 0.5.1.qualifier
+Bundle-Version: 0.5.1
 Bundle-SymbolicName: org.lflang.ui; singleton:=true
 Bundle-ActivationPolicy: lazy
 Require-Bundle: org.lflang,
diff --git a/org.lflang.ui/pom.xml b/org.lflang.ui/pom.xml
index 713f158..cffb217 100644
--- a/org.lflang.ui/pom.xml
+++ b/org.lflang.ui/pom.xml
@@ -7,7 +7,7 @@
     <relativePath>../pom.xml</relativePath>
     <groupId>org.lflang</groupId>
     <artifactId>lf</artifactId>
-    <version>0.5.1-SNAPSHOT</version>
+    <version>0.5.1</version>
   </parent>
 
   <artifactId>org.lflang.ui</artifactId>
diff --git a/org.lflang.updatesite/pom.xml b/org.lflang.updatesite/pom.xml
index 1fe5cba..62b687e 100644
--- a/org.lflang.updatesite/pom.xml
+++ b/org.lflang.updatesite/pom.xml
@@ -7,7 +7,7 @@
     <relativePath>../pom.xml</relativePath>
     <groupId>org.lflang</groupId>
     <artifactId>lf</artifactId>
-    <version>0.5.1-SNAPSHOT</version>
+    <version>0.5.1</version>
   </parent>
 
   <artifactId>org.lflang.updatesite</artifactId>
diff --git a/org.lflang/META-INF/MANIFEST.MF b/org.lflang/META-INF/MANIFEST.MF
index 2d36164..ede580e 100644
--- a/org.lflang/META-INF/MANIFEST.MF
+++ b/org.lflang/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@ Automatic-Module-Name: org.lflang
 Bundle-ManifestVersion: 2
 Bundle-Name: Lingua Franca Language Implementation
 Bundle-Vendor: University of California, Berkeley
-Bundle-Version: 0.5.1.qualifier
+Bundle-Version: 0.5.1
 Bundle-SymbolicName: org.lflang; singleton:=true
 Bundle-ActivationPolicy: lazy
 Bundle-Activator: org.lflang.LFPluginActivator
diff --git a/org.lflang/lingua-franca b/org.lflang/lingua-franca
index 5d6d884..2f47d64 160000
--- a/org.lflang/lingua-franca
+++ b/org.lflang/lingua-franca
@@ -1 +1 @@
-Subproject commit 5d6d8843b4aadb4826872c4b009805a179450720
+Subproject commit 2f47d64b8ee29a0b0463b918bf31e9624435934f
diff --git a/org.lflang/pom.xml b/org.lflang/pom.xml
index 18761de..3b63e4b 100644
--- a/org.lflang/pom.xml
+++ b/org.lflang/pom.xml
@@ -7,7 +7,7 @@
         <relativePath>../pom.xml</relativePath>
         <groupId>org.lflang</groupId>
         <artifactId>lf</artifactId>
-        <version>0.5.1-SNAPSHOT</version>
+        <version>0.5.1</version>
     </parent>
 
     <artifactId>org.lflang</artifactId>
diff --git a/pom.xml b/pom.xml
index 7fa4ba4..79e2cdc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 
     <groupId>org.lflang</groupId>
     <artifactId>lf</artifactId>
-    <version>0.5.1-SNAPSHOT</version>
+    <version>0.5.1</version>
     <packaging>pom</packaging>
 
     <name>Lingua Franca</name>