diff --git a/.travis.yml b/.travis.yml
index ffbba64..6131e6d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,12 +11,6 @@ matrix:
   allow_failures:
     - go: tip
 
-git:
-  submodules: false
-
-before_install:
-  - git submodule update --init
-
 branches:
   only:
   - master
diff --git a/git_static.go b/git_static.go
index b42d49f..d0acb3a 100644
--- a/git_static.go
+++ b/git_static.go
@@ -9,8 +9,8 @@ package git
 #cgo !windows pkg-config: --static ${SRCDIR}/vendor/libgit2/build/libgit2.pc
 #include <git2.h>
 
-#if LIBGIT2_VER_MAJOR != 0 || LIBGIT2_VER_MINOR != 26
-# error "Invalid libgit2 version; this git2go supports libgit2 v0.26"
+#if LIBGIT2_VER_MAJOR != 0 || LIBGIT2_VER_MINOR != 25
+# error "Invalid libgit2 version; this git2go supports libgit2 v0.25"
 #endif
 
 */
diff --git a/submodule.go b/submodule.go
index f4b4f15..41734ac 100644
--- a/submodule.go
+++ b/submodule.go
@@ -15,6 +15,7 @@ import (
 type SubmoduleUpdateOptions struct {
 	*CheckoutOpts
 	*FetchOptions
+	CloneCheckoutStrategy CheckoutStrategy
 }
 
 // Submodule
diff --git a/vendor/libgit2 b/vendor/libgit2
index 32dc763..15e1193 160000
--- a/vendor/libgit2
+++ b/vendor/libgit2
@@ -1 +1 @@
-Subproject commit 32dc763c116999240440b5054798208d97b4c562
+Subproject commit 15e119375018fba121cf58e02a9f17fe22df0df8