diff --git a/general/docs/microsoft-release.txt b/general/docs/microsoft-release.txt
index de3fe941f399a11fef5361193858c0196019562a..b58073333210d25aecd492eaee67e862212b9b5e 100644
--- a/general/docs/microsoft-release.txt
+++ b/general/docs/microsoft-release.txt
@@ -209,6 +209,14 @@ TO GENERATE THE RELEASE:
   Queries to msrcpx or Chuck Needham (chuckne)
 
 -------------------------------------------------------------
+Version 1.5.1 - 1 June 2015
+  - Fix intermittent "Fingerprint is already on disk" TLC crash. 
+  - Fix conditions in state queue that can deadlock TLC.
+  - Fix NullPointer bug during distributed TLC startup when
+    action or model constraints are defined. 
+  - Fix broken trace exploration in Toolbox after loading
+    externally written TLC output. 
+
 Version 1.5.0 - 11 May 2015
   - Distributed TLC in the Cloud--significantly improves 
     distributed TLC.
diff --git a/org.lamport.tla.toolbox.product.product/org.lamport.tla.toolbox.product.product.product b/org.lamport.tla.toolbox.product.product/org.lamport.tla.toolbox.product.product.product
index eb9fc20ee5a84937c71dc3efa2d537b9d2fbba00..9e01e6e514732fd9767f1593ce517b61e9df18cd 100644
--- a/org.lamport.tla.toolbox.product.product/org.lamport.tla.toolbox.product.product.product
+++ b/org.lamport.tla.toolbox.product.product/org.lamport.tla.toolbox.product.product.product
@@ -8,9 +8,9 @@
       <text>
          TLA+ Toolbox provides a user interface for TLA+ Tools. 
 
-This is Version 1.5.1 of UNRELEASED and includes:
+This is Version 1.5.1 of 1 June 2015 and includes:
   - SANY Version 2.1 of 24 February 2014
-  - TLC Version 2.07 of UNRELEASED
+  - TLC Version 2.07 of 1 June 2015
   - PlusCal Version 1.8 of 2 April 2013
   - TLATeX Version 1.0 of 12 April 2013
 
diff --git a/org.lamport.tla.toolbox.product.standalone/plugin.xml b/org.lamport.tla.toolbox.product.standalone/plugin.xml
index 2834b8f619306a6f525b7629c3bf9bb50a30fa14..15f2d7a85f6a1987efd77e5c2fc72764753343a1 100644
--- a/org.lamport.tla.toolbox.product.standalone/plugin.xml
+++ b/org.lamport.tla.toolbox.product.standalone/plugin.xml
@@ -29,7 +29,7 @@
          </property>
          <property
                name="aboutText"
-               value="TLA+ Toolbox provides a user interface for TLA+ Tools. &#x0A;&#x0A;This is Version 1.5.1 of UNRELEASED and includes:&#x0A;  - SANY Version 2.1 of 24 February 2014&#x0A;  - TLC Version 2.07 of UNRELEASED&#x0A;  - PlusCal Version 1.8 of 2 April 2013&#x0A;  - TLATeX Version 1.0 of 12 April 2013&#x0A;&#x0A;Don&apos;t forget to click on help.  You can learn about features that you never knew about or have forgotten.&#x0A;&#x0A;Please send us reports of problems or suggestions; see https://groups.google.com/d/forum/tlaplus .">
+               value="TLA+ Toolbox provides a user interface for TLA+ Tools. &#x0A;&#x0A;This is Version 1.5.1 of 1 June 2015 and includes:&#x0A;  - SANY Version 2.1 of 24 February 2014&#x0A;  - TLC Version 2.07 of 1 June 2015&#x0A;  - PlusCal Version 1.8 of 2 April 2013&#x0A;  - TLATeX Version 1.0 of 12 April 2013&#x0A;&#x0A;Don&apos;t forget to click on help.  You can learn about features that you never knew about or have forgotten.&#x0A;&#x0A;Please send us reports of problems or suggestions; see https://groups.google.com/d/forum/tlaplus .">
          </property>
          <property
                name="aboutImage"
diff --git a/org.lamport.tla.toolbox/src/org/lamport/tla/toolbox/ui/view/ToolboxWelcomeView.java b/org.lamport.tla.toolbox/src/org/lamport/tla/toolbox/ui/view/ToolboxWelcomeView.java
index 277fbeca3ba0a5f4fb9ac97b30072ee0b4739a71..18fe08ff3511e98c134652887f0bd0060a51eba0 100644
--- a/org.lamport.tla.toolbox/src/org/lamport/tla/toolbox/ui/view/ToolboxWelcomeView.java
+++ b/org.lamport.tla.toolbox/src/org/lamport/tla/toolbox/ui/view/ToolboxWelcomeView.java
@@ -201,7 +201,7 @@ public class ToolboxWelcomeView extends ViewPart
 		
 		final Label lblVersion = new Label(outerContainer, SWT.WRAP);
 		lblVersion.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 2, 1));
-		lblVersion.setText("Version 1.5.1  of UNRELEASED");
+		lblVersion.setText("Version 1.5.1  of 1 June 2015");
 		lblVersion.setBackground(backgroundColor);
     }
 
diff --git a/tlatools/src/tlc2/TLCGlobals.java b/tlatools/src/tlc2/TLCGlobals.java
index 93f581508e6b3b8a321b2369ff87bc3ab2f14920..44edadba17ddd5b0638451b1dd24ef5f5b642acc 100644
--- a/tlatools/src/tlc2/TLCGlobals.java
+++ b/tlatools/src/tlc2/TLCGlobals.java
@@ -16,7 +16,7 @@ public class TLCGlobals
 {
 
     // The current version of TLC
-    public static String versionOfTLC = "Version 2.06 of 9 May 2015";
+    public static String versionOfTLC = "Version 2.07 of 1 June 2015";
 
     // The bound for set enumeration, used for pretty printing
     public static int enumBound = 2000;