diff --git a/crypto/Makefile.am b/crypto/Makefile.am
index 409e581..7189fe6 100644
--- a/crypto/Makefile.am
+++ b/crypto/Makefile.am
@@ -726,6 +726,11 @@ noinst_HEADERS += hidden/openssl/asn1.h
 noinst_HEADERS += hidden/openssl/asn1t.h
 noinst_HEADERS += hidden/openssl/bio.h
 noinst_HEADERS += hidden/openssl/chacha.h
+noinst_HEADERS += hidden/openssl/ec.h
+noinst_HEADERS += hidden/openssl/ecdsa.h
+noinst_HEADERS += hidden/openssl/err.h
+noinst_HEADERS += hidden/openssl/evp.h
+noinst_HEADERS += hidden/openssl/hkdf.h
 noinst_HEADERS += hidden/openssl/hmac.h
 noinst_HEADERS += hidden/openssl/lhash.h
 noinst_HEADERS += hidden/openssl/pem.h