diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index cd8418c7..565a47f3 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,12 @@
 lib_xua Change Log
 ==================
 
+2.1.0
+-----
+
+  * CHANGED:   Updated clock blocks to support lib_xud v2.0.0
+  * CHANGED:   Updated dependency on lib_xud to v2.0.0 for use by XVF3600
+
 2.0.1
 -----
 
diff --git a/lib_xua/module_build_info b/lib_xua/module_build_info
index c66ce139..3c6d1f6e 100644
--- a/lib_xua/module_build_info
+++ b/lib_xua/module_build_info
@@ -1,8 +1,8 @@
-VERSION = 2.0.1
+VERSION = 2.1.0
 
 DEPENDENT_MODULES = lib_logging(>=3.0.0) \
                     lib_xassert(>=4.0.0) \
-                    lib_xud(>=1.2.0) \
+                    lib_xud(>=2.0.0) \
                     lib_spdif(>=4.0.0) \
                     lib_mic_array(>=4.0.0)
 
diff --git a/lib_xua/src/core/uac_hwresources.h b/lib_xua/src/core/uac_hwresources.h
index a0b82d58..47f39883 100644
--- a/lib_xua/src/core/uac_hwresources.h
+++ b/lib_xua/src/core/uac_hwresources.h
@@ -9,9 +9,9 @@
 #define CLKBLK_MIDI        XS1_CLKBLK_REF;
 #define CLKBLK_SPDIF_TX    XS1_CLKBLK_1
 #define CLKBLK_SPDIF_RX    XS1_CLKBLK_1
-#define CLKBLK_MCLK        XS1_CLKBLK_4
+#define CLKBLK_MCLK        XS1_CLKBLK_2
 #define CLKBLK_FLASHLIB    XS1_CLKBLK_3   /* Clock block for use by flash lib */
 #define CLKBLK_ADAT_RX     XS1_CLKBLK_REF /* Use REF for ADAT_RX on U/x200 series */
-#define CLKBLK_I2S_BIT     XS1_CLKBLK_5
+#define CLKBLK_I2S_BIT     XS1_CLKBLK_3
 
 #endif /* _UAC_HWRESOURCES_H_ */