diff --git a/crt/aws-crt-cpp b/crt/aws-crt-cpp
index cb474daeeaf..cf0a346249c 160000
--- a/crt/aws-crt-cpp
+++ b/crt/aws-crt-cpp
@@ -1 +1 @@
-Subproject commit cb474daeeaf5c025bd3408103adf61b97b74e600
+Subproject commit cf0a346249c384329a902a29cb473b108fb204ba
diff --git a/prefetch_crt_dependency.sh b/prefetch_crt_dependency.sh
index c8e69d76f80..91e37d49e5b 100755
--- a/prefetch_crt_dependency.sh
+++ b/prefetch_crt_dependency.sh
@@ -3,21 +3,21 @@
 # SPDX-License-Identifier: Apache-2.0.
 
 CRT_URI_PREFIX=https://codeload.github.com/awslabs
-CRT_URI=${CRT_URI_PREFIX}/aws-crt-cpp/zip/cb474daeeaf5c025bd3408103adf61b97b74e600  # v0.19.9
-
-AWS_C_AUTH_URI=${CRT_URI_PREFIX}/aws-c-auth/zip/54f8d804120daab9e0d75a56a113a222b334d0f9  # v0.6.26
-AWS_C_CAL_URI=${CRT_URI_PREFIX}/aws-c-cal/zip/de2f0f2e86a7e7b85b28cc027b8cf620945d8825  # v0.5.21
-AWS_C_COMMON_URI=${CRT_URI_PREFIX}/aws-c-common/zip/21d478b14465bfa52608d4040d9084e955180fa7  # v0.8.15
-AWS_C_COMPRESSION_URI=${CRT_URI_PREFIX}/aws-c-compression/zip/b517b7decd0dac30be2162f5186c250221c53aff  # v0.2.16
-AWS_C_EVENT_STREAM_URI=${CRT_URI_PREFIX}/aws-c-event-stream/zip/0f6eee87aee2860598084e814e0eedc0b3b9122d  # v0.2.20
-AWS_C_HTTP_URI=${CRT_URI_PREFIX}/aws-c-http/zip/c7350090b8712d9a6fd66a7d5d45056c87879f26  # v0.7.7
-AWS_C_IO_URI=${CRT_URI_PREFIX}/aws-c-io/zip/2c4475f60d9103d90a30fc4bc38940c0477d63d9  # v0.13.21
-AWS_C_MQTT_URI=${CRT_URI_PREFIX}/aws-c-mqtt/zip/815fc9731b77c7a21308a1be9ac11378c053b515  # v0.8.10
-AWS_C_S3_URI=${CRT_URI_PREFIX}/aws-c-s3/zip/ae6c6cc7dd301044dd6d81d24b005d2463a23de9  # v0.2.8
-AWS_C_SDKUTILS_URI=${CRT_URI_PREFIX}/aws-c-sdkutils/zip/9de59230f025df2745b098feda3611f9667e5a35  # v0.1.8
-AWS_CHECKSUMS_URI=${CRT_URI_PREFIX}/aws-checksums/zip/ad53be196a25bbefa3700a01187fdce573a7d2d0  # v0.1.14
-AWS_LC_URI=${CRT_URI_PREFIX}/aws-lc/zip/161e747063dcb16e71d299190f072a26c0a56294  # v1.5.0
-S2N_URI=${CRT_URI_PREFIX}/s2n/zip/274f3213eca8b535bf43aa203711902d98e534dd  # v1.3.38
+CRT_URI=${CRT_URI_PREFIX}/aws-crt-cpp/zip/cf0a346249c384329a902a29cb473b108fb204ba  # v0.20.3
+
+AWS_C_AUTH_URI=${CRT_URI_PREFIX}/aws-c-auth/zip/c076002aa2bc051e81dec988aaa3e88895b242dd  # v0.7.0
+AWS_C_CAL_URI=${CRT_URI_PREFIX}/aws-c-cal/zip/de43d69dbda4e2a048620c28767174483397f72f  # v0.6.0
+AWS_C_COMMON_URI=${CRT_URI_PREFIX}/aws-c-common/zip/9f36d07189435db27f746c10e39ba58511fadd0d  # v0.8.23
+AWS_C_COMPRESSION_URI=${CRT_URI_PREFIX}/aws-c-compression/zip/99ec79ee2970f1a045d4ced1501b97ee521f2f85  # v0.2.17
+AWS_C_EVENT_STREAM_URI=${CRT_URI_PREFIX}/aws-c-event-stream/zip/ec1716c726babd1381560aa8d28941fffc987394  # v0.3.1
+AWS_C_HTTP_URI=${CRT_URI_PREFIX}/aws-c-http/zip/27efc273f228306031c7345de8acaeee956db765  # v0.7.10
+AWS_C_IO_URI=${CRT_URI_PREFIX}/aws-c-io/zip/1f9a085027c5e0f3e0c0e2a9fbe685f12af8105d  # v0.13.27
+AWS_C_MQTT_URI=${CRT_URI_PREFIX}/aws-c-mqtt/zip/83e7abe4fbc34c0e4737c1472e585fdf47a5f4dd  # v0.8.14
+AWS_C_S3_URI=${CRT_URI_PREFIX}/aws-c-s3/zip/61c5282da191ccdb7f6460800c7bfc4d013ca8b4  # v0.3.12
+AWS_C_SDKUTILS_URI=${CRT_URI_PREFIX}/aws-c-sdkutils/zip/df511a1f2518279eb5721ab5fca6bc816efc6b32  # v0.1.11
+AWS_CHECKSUMS_URI=${CRT_URI_PREFIX}/aws-checksums/zip/a5b0e7f00be4240f77d3b6e090c8bed3c9c2e536  # v0.1.16
+AWS_LC_URI=${CRT_URI_PREFIX}/aws-lc/zip/80c394324382c78d2cbd783babaad1f612c1642d  # v1.11.0
+S2N_URI=${CRT_URI_PREFIX}/s2n/zip/e954ee5dc878c5c343d35574e7d07246a1e59314  # v1.3.46
 
 
 echo "Removing CRT"