diff --git a/changelog/unreleased/37014 b/changelog/unreleased/37014
new file mode 100644
index 000000000000..2d9f5df80667
--- /dev/null
+++ b/changelog/unreleased/37014
@@ -0,0 +1,3 @@
+Change: Update phpseclib/phpseclib (2.0.24 => 2.0.25)
+
+https://github.com/owncloud/core/pull/37014
diff --git a/composer.lock b/composer.lock
index f31e95a15448..44b379731bfb 100644
--- a/composer.lock
+++ b/composer.lock
@@ -927,7 +927,7 @@
             "time": "2015-08-01T16:27:37+00:00"
         },
         {
-            "name": "jeremeamia/superclosure",
+            "name": "jeremeamia/SuperClosure",
             "version": "2.4.0",
             "source": {
                 "type": "git",
@@ -1826,16 +1826,16 @@
         },
         {
             "name": "phpseclib/phpseclib",
-            "version": "2.0.24",
+            "version": "2.0.25",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpseclib/phpseclib.git",
-                "reference": "40998159a0907cc523e1f2d1904d45765613a617"
+                "reference": "c18159618ed7cd7ff721ac1a8fec7860a475d2f0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/40998159a0907cc523e1f2d1904d45765613a617",
-                "reference": "40998159a0907cc523e1f2d1904d45765613a617",
+                "url": "https://api.github.com/repos/phpseclib/phpseclib/zipball/c18159618ed7cd7ff721ac1a8fec7860a475d2f0",
+                "reference": "c18159618ed7cd7ff721ac1a8fec7860a475d2f0",
                 "shasum": ""
             },
             "require": {
@@ -1914,7 +1914,7 @@
                 "x.509",
                 "x509"
             ],
-            "time": "2020-02-04T12:15:04+00:00"
+            "time": "2020-02-25T04:16:50+00:00"
         },
         {
             "name": "pimple/pimple",