diff --git a/sys/include/ape/libsec.h b/sys/include/ape/libsec.h
index 8c7fb7c23..11e8b5f61 100644
--- a/sys/include/ape/libsec.h
+++ b/sys/include/ape/libsec.h
@@ -543,6 +543,7 @@ char*	X509ecdsaverify(uchar *sig, int siglen, ECdomain *dom, ECpub *pub);
 /* curves */
 void	secp256r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
 void	secp256k1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
+void	secp384r1(mpint *p, mpint *a, mpint *b, mpint *x, mpint *y, mpint *n, mpint *h);
 
 DigestState*	ripemd160(uchar *, ulong, uchar *, DigestState *);
 
diff --git a/sys/src/ape/lib/sec/port/mkfile b/sys/src/ape/lib/sec/port/mkfile
index a87f0237c..bbfcb6b51 100644
--- a/sys/src/ape/lib/sec/port/mkfile
+++ b/sys/src/ape/lib/sec/port/mkfile
@@ -37,9 +37,10 @@ CFILES = des.c desmodes.c desECB.c desCBC.c des3ECB.c des3CBC.c\
 	ccpoly.c\
 	tsmemcmp.c\
 	secp256r1.c\
+	secp384r1.c\
 	secp256k1.c\
 
-CLEANFILES=secp256r1.c secp256k1.c jacobian.c
+CLEANFILES=secp256r1.c secp384r1.c secp256k1.c jacobian.c
 
 ALLOFILES=${CFILES:%.c=%.$O}