diff --git a/textproc/lttoolbox/Makefile b/textproc/lttoolbox/Makefile
index 4f1c55d45f8d..3f53ff72d045 100644
--- a/textproc/lttoolbox/Makefile
+++ b/textproc/lttoolbox/Makefile
@@ -20,7 +20,7 @@ GH_ACCOUNT=	apertium
 USE_LDCONFIG=	yes
 
 APVER=		3.6
-APREV=		4
+APREV=		6
 
 GNU_CONFIGURE=	yes
 
diff --git a/textproc/lttoolbox/distinfo b/textproc/lttoolbox/distinfo
index b165bd7e91c5..f897ba8e274e 100644
--- a/textproc/lttoolbox/distinfo
+++ b/textproc/lttoolbox/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1651613865
-SHA256 (apertium-lttoolbox-v3.6.4_GH0.tar.gz) = c17802cea31f84144ec225209339b6a0fa541ff2c7c79eabf23482f31872da73
-SIZE (apertium-lttoolbox-v3.6.4_GH0.tar.gz) = 189836
+TIMESTAMP = 1654834716
+SHA256 (apertium-lttoolbox-v3.6.6_GH0.tar.gz) = e22d8a0635fc627e21679d168aad019f05279ae811d4913f58ebc3c8bf271f61
+SIZE (apertium-lttoolbox-v3.6.6_GH0.tar.gz) = 191479