diff --git a/contrib/lemmagen-c b/contrib/lemmagen-c
index 36c31067e95..59537bdcf57 160000
--- a/contrib/lemmagen-c
+++ b/contrib/lemmagen-c
@@ -1 +1 @@
-Subproject commit 36c31067e95477919b156b3945817a7a017dd6a0
+Subproject commit 59537bdcf57bbed17913292cb4502d15657231f1
diff --git a/contrib/libstemmer_c b/contrib/libstemmer_c
index 036f3439416..c753054304d 160000
--- a/contrib/libstemmer_c
+++ b/contrib/libstemmer_c
@@ -1 +1 @@
-Subproject commit 036f343941664791972a5c932e42b382054330d9
+Subproject commit c753054304d87daf460057c1a649c482aa094835
diff --git a/contrib/wordnet-blast b/contrib/wordnet-blast
index f8ec0e67afe..1d16ac28036 160000
--- a/contrib/wordnet-blast
+++ b/contrib/wordnet-blast
@@ -1 +1 @@
-Subproject commit f8ec0e67afeb9f5492d3a7e5359fcb079944c0af
+Subproject commit 1d16ac28036e19fe8da7ba72c16a307fbdf8c87e