diff --git a/cmake/3rdParty/Platform/Linux/BuiltInPackages_linux.cmake b/cmake/3rdParty/Platform/Linux/BuiltInPackages_linux.cmake
index f7bc2721ae..f1e8fdc950 100644
--- a/cmake/3rdParty/Platform/Linux/BuiltInPackages_linux.cmake
+++ b/cmake/3rdParty/Platform/Linux/BuiltInPackages_linux.cmake
@@ -8,7 +8,6 @@
 
 # shared by other platforms:
 ly_associate_package(PACKAGE_NAME ilmbase-2.3.0-rev4-multiplatform                  TARGETS ilmbase                     PACKAGE_HASH 97547fdf1fbc4d81b8ccf382261f8c25514ed3b3c4f8fd493f0a4fa873bba348)
-ly_associate_package(PACKAGE_NAME assimp-5.0.1-rev11-multiplatform                  TARGETS assimplib                   PACKAGE_HASH 1a9113788b893ef4a2ee63ac01eb71b981a92894a5a51175703fa225f5804dec)
 ly_associate_package(PACKAGE_NAME md5-2.0-multiplatform                             TARGETS md5                         PACKAGE_HASH 29e52ad22c78051551f78a40c2709594f0378762ae03b417adca3f4b700affdf)
 ly_associate_package(PACKAGE_NAME RapidJSON-1.1.0-rev1-multiplatform                TARGETS RapidJSON                   PACKAGE_HASH 2f5e26ecf86c3b7a262753e7da69ac59928e78e9534361f3d00c1ad5879e4023)
 ly_associate_package(PACKAGE_NAME RapidXML-1.13-rev1-multiplatform                  TARGETS RapidXML                    PACKAGE_HASH 4b7b5651e47cfd019b6b295cc17bb147b65e53073eaab4a0c0d20a37ab74a246)
@@ -21,6 +20,7 @@ ly_associate_package(PACKAGE_NAME glad-2.0.0-beta-rev2-multiplatform
 ly_associate_package(PACKAGE_NAME xxhash-0.7.4-rev1-multiplatform                   TARGETS xxhash                      PACKAGE_HASH e81f3e6c4065975833996dd1fcffe46c3cf0f9e3a4207ec5f4a1b564ba75861e)
 
 # platform-specific:
+ly_associate_package(PACKAGE_NAME assimp-5.0.1-rev12-linux                          TARGETS assimplib                   PACKAGE_HASH 49d32e11c594e58a9079972ad63570dd895ac61e6148e428b9c39a62feb676ee)
 ly_associate_package(PACKAGE_NAME AWSGameLiftServerSDK-3.4.1-rev1-linux             TARGETS AWSGameLiftServerSDK        PACKAGE_HASH a8149a95bd100384af6ade97e2b21a56173740d921e6c3da8188cd51554d39af)
 ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev3-linux                          TARGETS TIFF                        PACKAGE_HASH 2377f48b2ebc2d1628d9f65186c881544c92891312abe478a20d10b85877409a)
 ly_associate_package(PACKAGE_NAME freetype-2.10.4.16-linux                          TARGETS freetype                    PACKAGE_HASH 3f10c703d9001ecd2bb51a3bd003d3237c02d8f947ad0161c0252fdc54cbcf97)
diff --git a/cmake/3rdParty/Platform/Mac/BuiltInPackages_mac.cmake b/cmake/3rdParty/Platform/Mac/BuiltInPackages_mac.cmake
index ea324a5cb7..575a2dd70e 100644
--- a/cmake/3rdParty/Platform/Mac/BuiltInPackages_mac.cmake
+++ b/cmake/3rdParty/Platform/Mac/BuiltInPackages_mac.cmake
@@ -8,7 +8,6 @@
 
 # shared by other platforms:
 ly_associate_package(PACKAGE_NAME ilmbase-2.3.0-rev4-multiplatform                  TARGETS ilmbase                     PACKAGE_HASH 97547fdf1fbc4d81b8ccf382261f8c25514ed3b3c4f8fd493f0a4fa873bba348)
-ly_associate_package(PACKAGE_NAME assimp-5.0.1-rev11-multiplatform                  TARGETS assimplib                   PACKAGE_HASH 1a9113788b893ef4a2ee63ac01eb71b981a92894a5a51175703fa225f5804dec)
 ly_associate_package(PACKAGE_NAME md5-2.0-multiplatform                             TARGETS md5                         PACKAGE_HASH 29e52ad22c78051551f78a40c2709594f0378762ae03b417adca3f4b700affdf)
 ly_associate_package(PACKAGE_NAME RapidJSON-1.1.0-rev1-multiplatform                TARGETS RapidJSON                   PACKAGE_HASH 2f5e26ecf86c3b7a262753e7da69ac59928e78e9534361f3d00c1ad5879e4023)
 ly_associate_package(PACKAGE_NAME RapidXML-1.13-rev1-multiplatform                  TARGETS RapidXML                    PACKAGE_HASH 4b7b5651e47cfd019b6b295cc17bb147b65e53073eaab4a0c0d20a37ab74a246)
@@ -21,6 +20,7 @@ ly_associate_package(PACKAGE_NAME glad-2.0.0-beta-rev2-multiplatform
 ly_associate_package(PACKAGE_NAME xxhash-0.7.4-rev1-multiplatform                   TARGETS xxhash                      PACKAGE_HASH e81f3e6c4065975833996dd1fcffe46c3cf0f9e3a4207ec5f4a1b564ba75861e)
 
 # platform-specific:
+ly_associate_package(PACKAGE_NAME assimp-5.0.1-rev12-mac                            TARGETS assimplib                   PACKAGE_HASH 12db03817553f607bee0d65b690bcaae748014f3ed9266b70384f463bc98c9d1)
 ly_associate_package(PACKAGE_NAME DirectXShaderCompilerDxc-1.6.2104-o3de-rev3-mac   TARGETS DirectXShaderCompilerDxc    PACKAGE_HASH 3f77367dbb0342136ec4ebbd44bc1fedf7198089a0f83c5631248530769b2be6)
 ly_associate_package(PACKAGE_NAME SPIRVCross-2021.04.29-rev1-mac                    TARGETS SPIRVCross                  PACKAGE_HASH 78c6376ed2fd195b9b1f5fb2b56e5267a32c3aa21fb399e905308de470eb4515)
 ly_associate_package(PACKAGE_NAME tiff-4.2.0.15-rev3-mac                            TARGETS TIFF                        PACKAGE_HASH c2615ccdadcc0e1d6c5ed61e5965c4d3a82193d206591b79b805c3b3ff35a4bf)
diff --git a/cmake/3rdParty/Platform/Windows/BuiltInPackages_windows.cmake b/cmake/3rdParty/Platform/Windows/BuiltInPackages_windows.cmake
index 5441bcd76f..7fd07927cc 100644
--- a/cmake/3rdParty/Platform/Windows/BuiltInPackages_windows.cmake
+++ b/cmake/3rdParty/Platform/Windows/BuiltInPackages_windows.cmake
@@ -8,7 +8,6 @@
 
 # shared by other platforms:
 ly_associate_package(PACKAGE_NAME ilmbase-2.3.0-rev4-multiplatform                      TARGETS ilmbase                     PACKAGE_HASH 97547fdf1fbc4d81b8ccf382261f8c25514ed3b3c4f8fd493f0a4fa873bba348)
-ly_associate_package(PACKAGE_NAME assimp-5.0.1-rev11-multiplatform                      TARGETS assimplib                   PACKAGE_HASH 1a9113788b893ef4a2ee63ac01eb71b981a92894a5a51175703fa225f5804dec)
 ly_associate_package(PACKAGE_NAME md5-2.0-multiplatform                                 TARGETS md5                         PACKAGE_HASH 29e52ad22c78051551f78a40c2709594f0378762ae03b417adca3f4b700affdf)
 ly_associate_package(PACKAGE_NAME RapidJSON-1.1.0-rev1-multiplatform                    TARGETS RapidJSON                   PACKAGE_HASH 2f5e26ecf86c3b7a262753e7da69ac59928e78e9534361f3d00c1ad5879e4023)
 ly_associate_package(PACKAGE_NAME RapidXML-1.13-rev1-multiplatform                      TARGETS RapidXML                    PACKAGE_HASH 4b7b5651e47cfd019b6b295cc17bb147b65e53073eaab4a0c0d20a37ab74a246)
@@ -21,6 +20,7 @@ ly_associate_package(PACKAGE_NAME glad-2.0.0-beta-rev2-multiplatform
 ly_associate_package(PACKAGE_NAME xxhash-0.7.4-rev1-multiplatform                       TARGETS xxhash                      PACKAGE_HASH e81f3e6c4065975833996dd1fcffe46c3cf0f9e3a4207ec5f4a1b564ba75861e)
 
 # platform-specific:
+ly_associate_package(PACKAGE_NAME assimp-5.0.1-rev12-windows                            TARGETS assimplib                   PACKAGE_HASH 5273b7661a7a247bb18e8bc928d25c9cd1bd8ce9dfcc56c50742bac8fa02f0f2)
 ly_associate_package(PACKAGE_NAME AWSGameLiftServerSDK-3.4.1-rev1-windows               TARGETS AWSGameLiftServerSDK        PACKAGE_HASH a0586b006e4def65cc25f388de17dc475e417dc1e6f9d96749777c88aa8271b0)
 ly_associate_package(PACKAGE_NAME DirectXShaderCompilerDxc-1.6.2104-o3de-rev3-windows   TARGETS DirectXShaderCompilerDxc    PACKAGE_HASH 803e10b94006b834cbbdd30f562a8ddf04174c2cb6956c8399ec164ef8418d1f)
 ly_associate_package(PACKAGE_NAME SPIRVCross-2021.04.29-rev1-windows                    TARGETS SPIRVCross                  PACKAGE_HASH 7d601ea9d625b1d509d38bd132a1f433d7e895b16adab76bac6103567a7a6817)