diff --git a/CHANGELOG.md b/CHANGELOG.md
index da9482f0..beaa48ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 - render maec/* fields #843 @s-ff
 - replace Halo spinner with Rich #2086 @s-ff
 - optimize rule matching #2080 @williballenthin
+- add aarch64 as a valid architecture #2144 mehunhoff@google.com @williballenthin
 
 ### Breaking Changes
 
diff --git a/capa/features/common.py b/capa/features/common.py
index c4b7df8e..cb938f29 100644
--- a/capa/features/common.py
+++ b/capa/features/common.py
@@ -409,9 +409,10 @@ class Bytes(Feature):
 # other candidates here: https://docs.microsoft.com/en-us/windows/win32/debug/pe-format#machine-types
 ARCH_I386 = "i386"
 ARCH_AMD64 = "amd64"
+ARCH_AARCH64 = "aarch64"
 # dotnet
 ARCH_ANY = "any"
-VALID_ARCH = (ARCH_I386, ARCH_AMD64, ARCH_ANY)
+VALID_ARCH = (ARCH_I386, ARCH_AMD64, ARCH_AARCH64, ARCH_ANY)
 
 
 class Arch(Feature):