diff --git a/lib/rln b/lib/rln
index 2e10b0a..a7d30f1 160000
--- a/lib/rln
+++ b/lib/rln
@@ -1 +1 @@
-Subproject commit 2e10b0a15cc6ac33a2e4ffbc28a4c755f12d8d7b
+Subproject commit a7d30f175f903fa21864470e98445bffe32280da
diff --git a/libs/aarch64-linux-android/librln.a b/libs/aarch64-linux-android/librln.a
index a11da68..d4bcfe8 100644
Binary files a/libs/aarch64-linux-android/librln.a and b/libs/aarch64-linux-android/librln.a differ
diff --git a/libs/arm-linux-androideabi/librln.a b/libs/arm-linux-androideabi/librln.a
new file mode 100644
index 0000000..e590c35
Binary files /dev/null and b/libs/arm-linux-androideabi/librln.a differ
diff --git a/libs/armv7-linux-androideabi/librln.a b/libs/armv7-linux-androideabi/librln.a
index 8929912..1f01405 100644
Binary files a/libs/armv7-linux-androideabi/librln.a and b/libs/armv7-linux-androideabi/librln.a differ
diff --git a/libs/i686-linux-android/librln.a b/libs/i686-linux-android/librln.a
index 3932c3a..8da05b5 100644
Binary files a/libs/i686-linux-android/librln.a and b/libs/i686-linux-android/librln.a differ
diff --git a/libs/x86_64-linux-android/librln.a b/libs/x86_64-linux-android/librln.a
index 645e961..57410e3 100644
Binary files a/libs/x86_64-linux-android/librln.a and b/libs/x86_64-linux-android/librln.a differ
diff --git a/rln/link.go b/rln/link.go
index fd08aaf..e890a19 100644
--- a/rln/link.go
+++ b/rln/link.go
@@ -6,8 +6,7 @@ package rln
 #cgo android,arm7 LDFLAGS:-L${SRCDIR}/../libs/armv7-linux-androideabi
 #cgo android,amd64 LDFLAGS:-L${SRCDIR}/../libs/x86_64-linux-android
 #cgo android,386 LDFLAGS:-L${SRCDIR}/../libs/i686-linux-android
-#cgo linux,arm,!arm7 LDFLAGS:-L${SRCDIR}/../libs/arm-unknown-linux-gnueabi
-#cgo linux,arm7 LDFLAGS:-L${SRCDIR}/../libs/arm-unknown-linux-gnueabihf
+#cgo linux,arm LDFLAGS:-L${SRCDIR}/../libs/armv7-linux-androideabi
 #cgo linux,arm64 LDFLAGS:-L${SRCDIR}/../libs/aarch64-unknown-linux-gnu
 #cgo linux,amd64,musl,!android LDFLAGS:-L${SRCDIR}/../libs/x86_64-unknown-linux-musl
 #cgo linux,amd64,!musl,!android LDFLAGS:-L${SRCDIR}/../libs/x86_64-unknown-linux-gnu
diff --git a/rln/rln.go b/rln/rln.go
index 141b81c..f5bb5c3 100644
--- a/rln/rln.go
+++ b/rln/rln.go
@@ -36,7 +36,7 @@ func NewRLNWithDepth(depth int, params []byte) (*RLN, error) {
 	in := (*C.Buffer)(C.malloc(C.size_t(size)))
 	*in = buf
 
-	if !bool(C.new_circuit_from_params(C.ulong(depth), in, &r.ptr)) {
+	if !bool(C.new_circuit_from_params(C.uintptr_t(depth), in, &r.ptr)) {
 		return nil, errors.New("failed to initialize")
 	}
 
@@ -80,7 +80,7 @@ func toBuffer(data []byte) C.Buffer {
 	dataPtr, dataLen := sliceToPtr(data)
 	return C.Buffer{
 		ptr: dataPtr,
-		len: C.ulong(dataLen),
+		len: C.uintptr_t(dataLen),
 	}
 }
 
@@ -207,7 +207,7 @@ func (r *RLN) InsertMember(idComm IDCommitment) bool {
 // parameter is the position of the id commitment key to be deleted from the tree.
 // The deleted id commitment key is replaced with a zero leaf
 func (r *RLN) DeleteMember(index MembershipIndex) bool {
-	deletionSuccess := bool(C.delete_member(r.ptr, C.ulong(index)))
+	deletionSuccess := bool(C.delete_member(r.ptr, C.uintptr_t(index)))
 	return deletionSuccess
 }