diff --git a/deps/.package b/deps/.package
index 149cfb4..42fe058 100644
--- a/deps/.package
+++ b/deps/.package
@@ -1,2 +1,4 @@
-import github.com/tidwall/sco v0.1.0
-import github.com/tidwall/stack v0.1.0
+import github.com/tidwall/sco v0.1.1
+
+sum ad1e36373245380b0f5588c11f1a69369171436a  sco.c
+sum 92baa4119d14dbb2b1effcd2eaeb4adcba8befc1  sco.h
diff --git a/deps/sco.c b/deps/sco.c
index d4e3636..c50ffc5 100644
--- a/deps/sco.c
+++ b/deps/sco.c
@@ -1182,7 +1182,8 @@ struct llco_dlinfo {
     void            *dli_saddr;     /* Address of nearest symbol */
 };
 
-#ifdef __linux__
+
+#if defined(__linux__) && !defined(_GNU_SOURCE) 
 int dladdr(const void *, void *);
 #endif
 
diff --git a/neco.c b/neco.c
index 9f3972d..2779446 100644
--- a/neco.c
+++ b/neco.c
@@ -1328,7 +1328,8 @@ struct llco_dlinfo {
     void            *dli_saddr;     /* Address of nearest symbol */
 };
 
-#ifdef __linux__
+
+#if defined(__linux__) && !defined(_GNU_SOURCE) 
 int dladdr(const void *, void *);
 #endif