diff --git a/libgit2-sys/build.rs b/libgit2-sys/build.rs
index 28207a9ba7..442b196de0 100644
--- a/libgit2-sys/build.rs
+++ b/libgit2-sys/build.rs
@@ -14,7 +14,7 @@ fn main() {
     let try_to_use_system_libgit2 = !vendored && !zlib_ng_compat;
     if try_to_use_system_libgit2 {
         let mut cfg = pkg_config::Config::new();
-        if let Ok(lib) = cfg.range_version("1.4.4".."1.5.0").probe("libgit2") {
+        if let Ok(lib) = cfg.range_version("1.4.4".."1.6.0").probe("libgit2") {
             for include in &lib.include_paths {
                 println!("cargo:root={}", include.display());
             }
diff --git a/libgit2-sys/libgit2 b/libgit2-sys/libgit2
index 53cfad9e4b..fbea439d4b 160000
--- a/libgit2-sys/libgit2
+++ b/libgit2-sys/libgit2
@@ -1 +1 @@
-Subproject commit 53cfad9e4b0faeb4e2f6385cafd5298cbb81b82b
+Subproject commit fbea439d4b6fc91c6b619d01b85ab3b7746e4c19