diff --git a/archlinux/PKGBUILD.in b/archlinux/PKGBUILD.in
index 2e0a4d3c5..1505a5259 100644
--- a/archlinux/PKGBUILD.in
+++ b/archlinux/PKGBUILD.in
@@ -79,7 +79,7 @@ package_qubes-vm-core() {
         python-xdg
         qubes-db-vm
         qubes-libvchan
-        'qubes-vm-qrexec>=4.2.19'
+        'qubes-vm-qrexec>=4.3.12'
         qubes-vm-utils
         sed
         socat
diff --git a/debian/control b/debian/control
index e30d89f69..dbb4a7a4a 100644
--- a/debian/control
+++ b/debian/control
@@ -47,7 +47,7 @@ Depends:
     python3-gi,
     python3-qubesdb,
     python3-xdg,
-    qubes-core-qrexec (>= 4.2.19),
+    qubes-core-qrexec (>= 4.3.12),
     qubes-utils (>= 3.1.3),
     qubesdb-vm,
     systemd,
diff --git a/debian/qubes-core-agent.install b/debian/qubes-core-agent.install
index 6312641a6..aff8b036c 100644
--- a/debian/qubes-core-agent.install
+++ b/debian/qubes-core-agent.install
@@ -37,7 +37,6 @@ etc/qubes-rpc/qubes.VMRootShell
 etc/qubes-rpc/qubes.VMExec
 etc/qubes-rpc/qubes.VMExecGUI
 etc/qubes-rpc/qubes.VMRootExec
-etc/qubes-rpc/qubes.WaitForSession
 etc/qubes-rpc/qubes.WaitForRunningSystem
 etc/qubes-rpc/qubes.WaitForNetworkUplink
 etc/qubes-rpc/qubes.GetDate
diff --git a/qubes-rpc/Makefile b/qubes-rpc/Makefile
index 0c2673f67..ff17defda 100644
--- a/qubes-rpc/Makefile
+++ b/qubes-rpc/Makefile
@@ -78,7 +78,6 @@ install:
 		qubes.SuspendPre qubes.SuspendPost qubes.GetAppmenus \
 		qubes.SuspendPreAll \
 		qubes.SuspendPostAll \
-		qubes.WaitForSession \
 		qubes.WaitForRunningSystem \
 		qubes.WaitForNetworkUplink \
 		qubes.DetachPciDevice \
diff --git a/qubes-rpc/qubes.WaitForSession b/qubes-rpc/qubes.WaitForSession
deleted file mode 100755
index 9146b24e3..000000000
--- a/qubes-rpc/qubes.WaitForSession
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-set -eu
-
-if test "$(qubesdb-read --default=True /qubes-gui-enabled)" = "True"; then
-    user="$(qubesdb-read /default-user || echo 'user')"
-    while ! [ -e "/var/run/qubes/qrexec-server.$user.sock" ]; do
-        sleep 0.1
-    done
-fi
-
-systemctl --user --wait --quiet is-system-running
-
-exit 0
diff --git a/rpm_spec/core-agent.spec.in b/rpm_spec/core-agent.spec.in
index e2fb2fdf5..3d4db7a18 100644
--- a/rpm_spec/core-agent.spec.in
+++ b/rpm_spec/core-agent.spec.in
@@ -153,7 +153,7 @@ Requires:   librsvg2-tools
 %endif
 Requires:   zenity
 Requires:   dconf
-Requires:   qubes-core-qrexec-vm >= 4.2.19
+Requires:   qubes-core-qrexec-vm >= 4.3.12
 Requires:   qubes-libvchan
 Requires:   qubes-db-vm
 # qubes.Suspend{Pre,Post}
@@ -911,7 +911,6 @@ rm -f %{name}-%{version}
 %config(noreplace) /etc/qubes-rpc/qubes.SuspendPreAll
 %config(noreplace) /etc/qubes-rpc/qubes.SuspendPost
 %config(noreplace) /etc/qubes-rpc/qubes.SuspendPostAll
-%config(noreplace) /etc/qubes-rpc/qubes.WaitForSession
 %config(noreplace) /etc/qubes-rpc/qubes.WaitForRunningSystem
 %config(noreplace) /etc/qubes-rpc/qubes.WaitForNetworkUplink
 %config(noreplace) /etc/qubes-rpc/qubes.DetachPciDevice
diff --git a/version b/version
index 920606561..ba1ffe831 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-4.3.37
+4.3.38