diff --git a/science/libint2/Makefile b/science/libint2/Makefile
index 8ac16051cb88..3ce2d7b5b56c 100644
--- a/science/libint2/Makefile
+++ b/science/libint2/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	libint
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2.10.2
+DISTVERSION=	2.11.0
 CATEGORIES=	science
 PKGNAMESUFFIX=	2
 
diff --git a/science/libint2/distinfo b/science/libint2/distinfo
index 9c976a08e901..f1411c6121ca 100644
--- a/science/libint2/distinfo
+++ b/science/libint2/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1744271220
-SHA256 (evaleev-libint-v2.10.2_GH0.tar.gz) = 9a4dfcdba51c988566e187c119339b9aaee41185a02fdaa304ab4757d28e0acc
-SIZE (evaleev-libint-v2.10.2_GH0.tar.gz) = 21947279
+TIMESTAMP = 1745711410
+SHA256 (evaleev-libint-v2.11.0_GH0.tar.gz) = 4d2c83995f7b9fc19c10b4f5f3973659d6b8054cadc1a9746d3e072a5fb568ae
+SIZE (evaleev-libint-v2.11.0_GH0.tar.gz) = 21958050
diff --git a/science/libint2/pkg-plist b/science/libint2/pkg-plist
index 660ff7958290..4d42cbd8f15a 100644
--- a/science/libint2/pkg-plist
+++ b/science/libint2/pkg-plist
@@ -61,6 +61,7 @@ include/libint2/util/intpart_iter.h
 include/libint2/util/intrinsic_operations.h
 include/libint2/util/intrinsic_types.h
 include/libint2/util/memory.h
+include/libint2/util/optional.h
 include/libint2/util/singleton.h
 include/libint2/util/small_vector.h
 include/libint2/util/timer.h