diff --git a/0001-string-resolve-testsuite-failure-with-aarch64.patch b/0001-string-resolve-testsuite-failure-with-aarch64.patch
deleted file mode 100644
index 9c94c99..0000000
--- a/0001-string-resolve-testsuite-failure-with-aarch64.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From 763c993419a6d59e6d2e1d7d60bc8d23981b5a94 Mon Sep 17 00:00:00 2001
-From: Jan Engelhardt <jengelh@inai.de>
-Date: Tue, 28 Nov 2023 23:22:58 +0100
-Subject: [PATCH] string: resolve testsuite failure with aarch64
-
-Fixes: v4.17-9-g323210d
----
- src/string.c | 13 ++++++++++++-
- 1 file changed, 12 insertions(+), 1 deletion(-)
-
-diff --git a/src/string.c b/src/string.c
-index 11f3c9f..8e12b4a 100644
---- a/src/string.c
-+++ b/src/string.c
-@@ -1030,8 +1030,19 @@ EXPORT_SYMBOL unsigned long long HX_strtoull_unit(const char *s,
- 			errno = ERANGE;
- 			return ULLONG_MAX;
- 		}
-+		/*
-+		 * https://eel.is/c++draft/conv.double#2: values
-+		 * unrepresentable in the target type (such as forcing -5.2f
-+		 * into a uint) is UB.  Thus check for range and apply the
-+		 * negation after the conversion to ULL.
-+		 */
-+		if (q > ULLONG_MAX) {
-+			errno = ERANGE;
-+			return ULLONG_MAX;
-+		}
-+		unsigned long long r = q;
- 		errno = 0;
--		return neg ? -q : q;
-+		return neg ? -r : r;
- 	}
- 	if (exponent == 0)
- 		exponent = 1000;
--- 
-2.43.0
-
diff --git a/libHX-4.18.tar.asc b/libHX-4.18.tar.asc
deleted file mode 100644
index bb7b8e1..0000000
--- a/libHX-4.18.tar.asc
+++ /dev/null
@@ -1,7 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iHUEABYKAB0WIQS8oMXDCcrFaedKkhz3bv5dDCI6jwUCZWR82AAKCRD3bv5dDCI6
-j1m/APwLy01bA/g2ElzN9bLlQIB1gBiF6cH3FkWoTu50W8wwagEA4ROaAr5ZZZ8X
-G37Mp+j3svhrTPiQadg0+yJmp5rGYwQ=
-=iZth
------END PGP SIGNATURE-----
diff --git a/libHX-4.18.tar.xz b/libHX-4.18.tar.xz
deleted file mode 100644
index 22be97c..0000000
--- a/libHX-4.18.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7b7513010d8d7196f6d2733a8669eb12390bed12ea74449e42af485e1bd7cc75
-size 356368
diff --git a/libHX-4.19.tar.asc b/libHX-4.19.tar.asc
new file mode 100644
index 0000000..e181134
--- /dev/null
+++ b/libHX-4.19.tar.asc
@@ -0,0 +1,7 @@
+-----BEGIN PGP SIGNATURE-----
+
+iHUEABYKAB0WIQS8oMXDCcrFaedKkhz3bv5dDCI6jwUCZWkWHgAKCRD3bv5dDCI6
+j1MgAP9m/go0vrdXuyg9nNfm/OD/twP17Odc2iA1ImSg6JK3hwD/W/Jz+birwugP
+Nj3nJfs3FH/SLt60Yus6Ukg8r9aPPw4=
+=3Hey
+-----END PGP SIGNATURE-----
diff --git a/libHX-4.19.tar.xz b/libHX-4.19.tar.xz
new file mode 100644
index 0000000..6082de1
--- /dev/null
+++ b/libHX-4.19.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0384a1bd832a2688528b31af3dfecca36e94c8194a0207d871bf4e1a57e69b0a
+size 359672
diff --git a/libHX.changes b/libHX.changes
index c8680b3..02fb2e8 100644
--- a/libHX.changes
+++ b/libHX.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Thu Nov 30 23:09:57 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 4.19
+  * string: fixed HX_strtoull_unit with negative fractions
+    producing 0 sometimes
+  * opt: fix HX_getopt losing argv on HXOPT_KEEP_ARGV
+- Delete 0001-string-resolve-testsuite-failure-with-aarch64.patch
+  (merged)
+
 -------------------------------------------------------------------
 Mon Nov 27 11:25:47 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/libHX.spec b/libHX.spec
index 879c32f..74557ee 100644
--- a/libHX.spec
+++ b/libHX.spec
@@ -18,7 +18,7 @@
 
 Name:           libHX
 %define lname   libHX32
-Version:        4.18
+Version:        4.19
 Release:        0
 Summary:        Collection of routines for C and C++ programming
 License:        LGPL-2.1-or-later
@@ -28,7 +28,6 @@ URL:            https://inai.de/projects/libhx/
 Source:         https://inai.de/files/libhx/libHX-%version.tar.xz
 Source2:        https://inai.de/files/libhx/libHX-%version.tar.asc
 Source4:        %name.keyring
-Patch1:         0001-string-resolve-testsuite-failure-with-aarch64.patch
 BuildRequires:  gcc-c++
 BuildRequires:  pkg-config
 BuildRequires:  xz