thodg/libgit2

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 00cca7e..d74b514 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -79,7 +79,7 @@ jobs:
         TMPDIR: $(Agent.TempDirectory)
         PKG_CONFIG_PATH: /usr/local/opt/openssl/lib/pkgconfig
         CMAKE_GENERATOR: Ninja
-        CMAKE_OPTIONS: -DREGEX_BACKEND=regcomp_l -DDEPRECATE_HARD=ON -DUSE_LEAK_CHECKER=leaks
+        CMAKE_OPTIONS: -DREGEX_BACKEND=regcomp_l -DDEPRECATE_HARD=ON -DUSE_LEAK_CHECKER=leaks -DUSE_GSSAPI=ON
         SKIP_SSH_TESTS: true
 
 - job: windows_vs_amd64
diff --git a/azure-pipelines/nightly.yml b/azure-pipelines/nightly.yml
index b8d550f..a193747 100644
--- a/azure-pipelines/nightly.yml
+++ b/azure-pipelines/nightly.yml
@@ -79,7 +79,7 @@ jobs:
         TMPDIR: $(Agent.TempDirectory)
         PKG_CONFIG_PATH: /usr/local/opt/openssl/lib/pkgconfig
         CMAKE_GENERATOR: Ninja
-        CMAKE_OPTIONS: -DREGEX_BACKEND=regcomp_l -DDEPRECATE_HARD=ON -DUSE_LEAK_CHECKER=leaks
+        CMAKE_OPTIONS: -DREGEX_BACKEND=regcomp_l -DDEPRECATE_HARD=ON -DUSE_LEAK_CHECKER=leaks -DUSE_GSSAPI=ON
         RUN_INVASIVE_TESTS: true
         SKIP_SSH_TESTS: true