diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index ee35c93..8b2e7ec 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -12,6 +12,8 @@
       Active development...
       CMSIS-Core(M): 5.0.3 (see revision history for details)
       - Added compiler_iccarm.h to replace compiler_iar.h shipped with the compiler.
+      CMSIS-RTOS2:
+      - RTX 5.2.2 (see revision history for details)
     </release>
     <release version="5.1.1-dev1">
       Devices:
@@ -2443,7 +2445,7 @@
     </component>
 
     <!-- CMSIS-RTOS Keil RTX5 component -->
-    <component Cclass="CMSIS" Cgroup="RTOS" Csub="Keil RTX5" Cversion="5.2.1" Capiversion="1.0.0" condition="RTOS RTX5">
+    <component Cclass="CMSIS" Cgroup="RTOS" Csub="Keil RTX5" Cversion="5.2.2" Capiversion="1.0.0" condition="RTOS RTX5">
       <description>CMSIS-RTOS RTX5 implementation for Cortex-M, SC000, and SC300</description>
       <RTE_Components_h>
         <!-- the following content goes into file 'RTE_Components.h' -->
@@ -2459,7 +2461,7 @@
     </component>
 
     <!-- CMSIS-RTOS2 Keil RTX5 component -->
-    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Library" Cversion="5.2.1" Capiversion="2.1.1" condition="RTOS2 RTX5 Lib">
+    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Library" Cversion="5.2.2" Capiversion="2.1.1" condition="RTOS2 RTX5 Lib">
       <description>CMSIS-RTOS2 RTX5 for Cortex-M, SC000, C300 and ARMv8-M (Library)</description>
       <RTE_Components_h>
         <!-- the following content goes into file 'RTE_Components.h' -->
@@ -2528,7 +2530,7 @@
         <file category="library" condition="CM7_FP_LE_IAR"        name="CMSIS/RTOS2/RTX/Library/IAR/RTX_CM4F.a"     src="CMSIS/RTOS2/RTX/Source"/>
       </files>
     </component>
-    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Library_NS" Cversion="5.2.1" Capiversion="2.1.1" condition="RTOS2 RTX5 NS">
+    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Library_NS" Cversion="5.2.2" Capiversion="2.1.1" condition="RTOS2 RTX5 NS">
       <description>CMSIS-RTOS2 RTX5 for ARMv8-M Non-Secure Domain (Library)</description>
       <RTE_Components_h>
         <!-- the following content goes into file 'RTE_Components.h' -->
@@ -2579,7 +2581,7 @@
         <file category="library" condition="ARMv8MML_FP_LE_GCC"   name="CMSIS/RTOS2/RTX/Library/GCC/libRTX_V8MMFN.a" src="CMSIS/RTOS2/RTX/Source"/>
       </files>
     </component>
-    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Source" Cversion="5.2.1" Capiversion="2.1.1" condition="RTOS2 RTX5">
+    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Source" Cversion="5.2.2" Capiversion="2.1.1" condition="RTOS2 RTX5">
       <description>CMSIS-RTOS2 RTX5 for Cortex-M, SC000, C300 and ARMv8-M (Source)</description>
       <RTE_Components_h>
         <!-- the following content goes into file 'RTE_Components.h' -->
@@ -2662,7 +2664,7 @@
         <file category="source" name="CMSIS/RTOS2/Source/os_systick.c"/>
       </files>
     </component>
-    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Source" Cversion="5.2.1" Capiversion="2.1.1" condition="RTOS2 RTX5 v7-A">
+    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Source" Cversion="5.2.2" Capiversion="2.1.1" condition="RTOS2 RTX5 v7-A">
       <description>CMSIS-RTOS2 RTX5 for ARMv7-A (Source)</description>
       <RTE_Components_h>
         <!-- the following content goes into file 'RTE_Components.h' -->
@@ -2719,7 +2721,7 @@
         <file category="source" name="CMSIS/RTOS2/RTX/Source/IAR/irq_ca.s"          condition="CA_IAR"/>
       </files>
     </component>
-    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Source_NS" Cversion="5.2.1" Capiversion="2.1.1" condition="RTOS2 RTX5 NS">
+    <component Cclass="CMSIS" Cgroup="RTOS2" Csub="Keil RTX5" Cvariant="Source_NS" Cversion="5.2.2" Capiversion="2.1.1" condition="RTOS2 RTX5 NS">
       <description>CMSIS-RTOS2 RTX5 for ARMv8-M Non-Secure Domain (Source)</description>
       <RTE_Components_h>
         <!-- the following content goes into file 'RTE_Components.h' -->