diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index ecac24a..6bee2fb 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -3289,6 +3289,8 @@
         <!-- DSP sources (core) -->
         <file category="source"   name="CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctions.c"/>
 
+        <file category="source"   name="CMSIS/DSP/Source/QuaternionMathFunctions/QuaternionMathFunctions.c"/>
+
         <file category="source"   name="CMSIS/DSP/Source/BayesFunctions/BayesFunctions.c"/>
         <file category="source"   name="CMSIS/DSP/Source/CommonTables/CommonTables.c"/>
         <file category="source"   name="CMSIS/DSP/Source/ComplexMathFunctions/ComplexMathFunctions.c"/>