diff --git a/srcpkgs/simgear/patches/musl-strerror_r.patch b/srcpkgs/simgear/patches/musl-strerror_r.patch
index 9c2208ac100..b88fa29600f 100644
--- a/srcpkgs/simgear/patches/musl-strerror_r.patch
+++ b/srcpkgs/simgear/patches/musl-strerror_r.patch
@@ -1,6 +1,6 @@
 --- a/simgear/misc/strutils.cxx	2020-06-26 00:07:33.000000000 +0200
 +++ b/simgear/misc/strutils.cxx	2020-08-22 19:50:07.043076612 +0200
-@@ -1137,7 +1137,13 @@
+@@ -1169,7 +1175,13 @@
    // Always makes the string in 'buf' null-terminated
    retcode = strerror_s(buf, sizeof(buf), errnum);
  #elif defined(_GNU_SOURCE)
@@ -14,7 +14,7 @@
  #elif (_POSIX_C_SOURCE >= 200112L) || defined(SG_MAC) || defined(__FreeBSD__) || defined(__OpenBSD__)
    int retcode;
    // POSIX.1-2001 and POSIX.1-2008
-@@ -1146,7 +1152,7 @@
+@@ -1178,7 +1184,7 @@
  #error "Could not find a thread-safe alternative to strerror()."
  #endif
  
diff --git a/srcpkgs/simgear/template b/srcpkgs/simgear/template
index 4a15e27896e..7f510909dba 100644
--- a/srcpkgs/simgear/template
+++ b/srcpkgs/simgear/template
@@ -1,19 +1,20 @@
 # Template file for 'simgear'
 pkgname=simgear
-version=2020.1.3
+version=2020.3.11
 revision=1
 # XXX: always keep in sync with flightgear version!
 build_style=cmake
 configure_args="-DENABLE_TESTS=OFF -Wdev"
 hostmakedepends="pkg-config"
 makedepends="boost-devel freetype-devel libjpeg-turbo-devel giflib-devel
- libcurl-devel libfreeglut-devel libopenal-devel osg-devel plib-devel"
+ libcurl-devel libfreeglut-devel libopenal-devel osg-devel plib-devel
+ liblzma-devel"
 short_desc="Simulation engine for FlightGear - static libraries"
 maintainer="Orphaned <orphan@voidlinux.org>"
 license="GPL-2.0-or-later"
 homepage="http://www.flightgear.org/"
 distfiles="$SOURCEFORGE_SITE/project/flightgear/release-${version%.*}/${pkgname}-${version}.tar.bz2"
-checksum=66da2c4f68058f6854206f2dd9c03c9223851ade24a50216e88b4e50598c13d1
+checksum=bb8dfcbc2a3b0143d1ffcf01d1a961e566ef21dd33d9cc768d6d9aa5871d4f3c
 
 # Suppress warnings regarding auto_ptr
 CXXFLAGS="-Wno-deprecated-declarations"