diff --git a/bootstrap-2.4 b/bootstrap-2.4
index 2585a3983..f75be7b1c 100755
--- a/bootstrap-2.4
+++ b/bootstrap-2.4
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Run this to set configure.in up for an API version.
 
-GTK_SHARP_VERSION=2.4.2
+GTK_SHARP_VERSION=2.4.3
 ASSEMBLY_VERSION=2.4.0.0
 POLICY_VERSIONS=
 GTK_REQUIRED_VERSION=2.4.0
diff --git a/bootstrap-2.6 b/bootstrap-2.6
index ec005821f..a31507586 100755
--- a/bootstrap-2.6
+++ b/bootstrap-2.6
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Run this to set configure.in up for an API version.
 
-GTK_SHARP_VERSION=2.6.2
+GTK_SHARP_VERSION=2.6.3
 ASSEMBLY_VERSION=2.6.0.0
 POLICY_VERSIONS=2.4
 GTK_REQUIRED_VERSION=2.6.0
diff --git a/bootstrap-2.8 b/bootstrap-2.8
index fb8a7e5f7..7faee36ee 100755
--- a/bootstrap-2.8
+++ b/bootstrap-2.8
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Run this to set configure.in up for an API version.
 
-GTK_SHARP_VERSION=2.8.2
+GTK_SHARP_VERSION=2.8.3
 ASSEMBLY_VERSION=2.8.0.0
 POLICY_VERSIONS="2.4 2.6"
 GTK_REQUIRED_VERSION=2.8.0