diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index 2096821..ecac24a 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -24,6 +24,11 @@
        - RTX4: Purged pre-built libs from Git
       CMSIS-RTOS2:
        - RTX5: Purged pre-built libs from Git
+      CMSIS-NN: 1.4.0 (see revision history for details)
+       - Major interface change for functions compatible with TensorFlow Lite for Microcontroller
+       - Added optimization for SVDF kernel - DSP extension only
+       - Improved MVE performance for fully Connected and max pool operator
+       - Expanded unit test suite along with support for FVP
     </release>
     <release version="5.7.0" date="2020-04-09">
       CMSIS-Build: 0.9.0 (beta)
@@ -3321,10 +3326,11 @@
     </component>
 
     <!-- CMSIS-NN component -->
-    <component Cclass="CMSIS" Cgroup="NN Lib" Cversion="1.3.0" condition="CMSIS NN">
+    <component Cclass="CMSIS" Cgroup="NN Lib" Cversion="1.4.0" condition="CMSIS NN">
       <description>CMSIS-NN Neural Network Library</description>
       <files>
         <file category="doc" name="CMSIS/Documentation/NN/html/index.html"/>
+        <file category="header" name="CMSIS/NN/Include/arm_nn_types.h"/>
         <file category="header" name="CMSIS/NN/Include/arm_nnfunctions.h"/>
         <file category="header" name="CMSIS/NN/Include/arm_nnsupportfunctions.h"/>
         <file category="header" name="CMSIS/NN/Include/arm_nn_tables.h"/>
@@ -3337,6 +3343,7 @@
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_conv_u8_basic_ver1.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_nn_mat_mult_kernel_s8_s16_reordered.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_separable_conv_HWC_q7.c"/>
+        <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_conv_wrapper_s8.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_nn_mat_mult_kernel_q7_q15.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_convolve_HWC_q15_basic.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_convolve_1x1_s8_fast.c"/>
@@ -3348,6 +3355,7 @@
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_separable_conv_HWC_q7_nonsquare.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_convolve_HWC_q7_basic.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_depthwise_conv_s8_opt.c"/>
+        <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_convolve_wrapper_s8.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_convolve_HWC_q15_fast.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_nn_mat_mult_kernel_q7_q15_reordered.c"/>
         <file category="source" name="CMSIS/NN/Source/ConvolutionFunctions/arm_nn_depthwise_conv_s8_core.c"/>
@@ -3357,7 +3365,7 @@
         <file category="source" name="CMSIS/NN/Source/ConcatenationFunctions/arm_concatenation_s8_w.c"/>
         <file category="source" name="CMSIS/NN/Source/ConcatenationFunctions/arm_concatenation_s8_y.c"/>
         <file category="source" name="CMSIS/NN/Source/ConcatenationFunctions/arm_concatenation_s8_z.c"/>
-        <file category="source" name="CMSIS/NN/Source/PoolingFunctions/arm_max_pool_s8_opt.c"/>
+        <file category="source" name="CMSIS/NN/Source/SVDFunctions/arm_svdf_s8.c"/>
         <file category="source" name="CMSIS/NN/Source/PoolingFunctions/arm_max_pool_s8.c"/>
         <file category="source" name="CMSIS/NN/Source/PoolingFunctions/arm_avgpool_s8.c"/>
         <file category="source" name="CMSIS/NN/Source/PoolingFunctions/arm_pool_q7_HWC.c"/>
@@ -3375,9 +3383,11 @@
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_q7_to_q15_with_offset.c"/>
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_nn_accumulate_q7_to_q15.c"/>
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_nn_mat_mult_nt_t_s8.c"/>
+        <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_nn_depthwise_conv_nt_t_padded_s8.c"/>
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_nn_add_q7.c"/>
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_nn_mat_mul_core_4x_s8.c"/>
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_nntables.c"/>
+        <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_nn_depthwise_conv_nt_t_s8.c"/>
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_q7_to_q15_no_shift.c"/>
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_q7_to_q15_reordered_with_offset.c"/>
         <file category="source" name="CMSIS/NN/Source/NNSupportFunctions/arm_nn_mult_q15.c"/>