diff --git a/CHANGELOG.md b/CHANGELOG.md
index aba500a5..bdf2fe81 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Development Build: v1.6.0-rc4+dev102
+- malloc stub memalign calculation
+- See <https://github.com/nasa/PSP/pull/419>
+
 ## Development Build: v1.6.0-rc4+dev96
 - update rtems_sysmon banner
 - unit test for vxworks sysmon
diff --git a/fsw/mcp750-vxworks/inc/psp_version.h b/fsw/mcp750-vxworks/inc/psp_version.h
index d863371f..d00c32a8 100644
--- a/fsw/mcp750-vxworks/inc/psp_version.h
+++ b/fsw/mcp750-vxworks/inc/psp_version.h
@@ -27,7 +27,7 @@
 /*
  * Development Build Macro Definitions
  */
-#define CFE_PSP_IMPL_BUILD_NUMBER   96
+#define CFE_PSP_IMPL_BUILD_NUMBER   102
 #define CFE_PSP_IMPL_BUILD_BASELINE "v1.6.0-rc4"
 
 /*
diff --git a/fsw/pc-linux/inc/psp_version.h b/fsw/pc-linux/inc/psp_version.h
index d863371f..d00c32a8 100644
--- a/fsw/pc-linux/inc/psp_version.h
+++ b/fsw/pc-linux/inc/psp_version.h
@@ -27,7 +27,7 @@
 /*
  * Development Build Macro Definitions
  */
-#define CFE_PSP_IMPL_BUILD_NUMBER   96
+#define CFE_PSP_IMPL_BUILD_NUMBER   102
 #define CFE_PSP_IMPL_BUILD_BASELINE "v1.6.0-rc4"
 
 /*
diff --git a/fsw/pc-rtems/inc/psp_version.h b/fsw/pc-rtems/inc/psp_version.h
index d863371f..d00c32a8 100644
--- a/fsw/pc-rtems/inc/psp_version.h
+++ b/fsw/pc-rtems/inc/psp_version.h
@@ -27,7 +27,7 @@
 /*
  * Development Build Macro Definitions
  */
-#define CFE_PSP_IMPL_BUILD_NUMBER   96
+#define CFE_PSP_IMPL_BUILD_NUMBER   102
 #define CFE_PSP_IMPL_BUILD_BASELINE "v1.6.0-rc4"
 
 /*
diff --git a/unit-test-coverage/ut-stubs/src/libc-stdlib-stubs.c b/unit-test-coverage/ut-stubs/src/libc-stdlib-stubs.c
index d6fbdffe..c8923014 100644
--- a/unit-test-coverage/ut-stubs/src/libc-stdlib-stubs.c
+++ b/unit-test-coverage/ut-stubs/src/libc-stdlib-stubs.c
@@ -143,7 +143,7 @@ void *PCS_malloc(size_t sz)
         return NULL;
     }
 
-    NextSize  = (NextSize + MPOOL_ALIGN - 1) & ~((size_t)MPOOL_ALIGN);
+    NextSize  = (NextSize + MPOOL_ALIGN - 1) & ~((size_t)MPOOL_ALIGN - 1);
     NextBlock = Rec->BlockAddr + MPOOL_ALIGN;
     Rec->BlockAddr += NextSize;
     Rec->Size += NextSize;