diff --git a/crypto_sign/dilithium2/META.yml b/crypto_sign/dilithium2/META.yml
index e6af218d..9156e58f 100644
--- a/crypto_sign/dilithium2/META.yml
+++ b/crypto_sign/dilithium2/META.yml
@@ -27,4 +27,5 @@ implementations:
                 - Linux
             required_flags:
                 - avx2
-                - bmi2
+                - bmi1
+                - popcnt
diff --git a/crypto_sign/dilithium3/META.yml b/crypto_sign/dilithium3/META.yml
index f624d7ef..37f51f72 100644
--- a/crypto_sign/dilithium3/META.yml
+++ b/crypto_sign/dilithium3/META.yml
@@ -27,4 +27,5 @@ implementations:
                 - Linux
             required_flags:
                 - avx2
-                - bmi2
+                - bmi1
+                - popcnt
diff --git a/crypto_sign/dilithium4/META.yml b/crypto_sign/dilithium4/META.yml
index c90fba93..8e6378a2 100644
--- a/crypto_sign/dilithium4/META.yml
+++ b/crypto_sign/dilithium4/META.yml
@@ -27,4 +27,5 @@ implementations:
                 - Linux
             required_flags:
                 - avx2
-                - bmi2
+                - bmi1
+                - popcnt