diff --git a/README.md b/README.md
index 9d0d076..3d0d892 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This code is used to build the linux platform image for the raspberry pi zero an
 1. [Install Docker](https://docs.docker.com/engine/installation/)
 2. `git clone https://github.com/heneault/yocto-pitrezor.git`
 3. `cd yocto-pitrezor`
-4. `sudo ./build-pitrezor.sh TAG [raspberrypi4-64 | raspberrypi0-2w-64]` (where TAG is 1.10.5.0 for example, if left blank the script builds latest commit in master branch). You can optionnaly specify "raspberrypi4-64" or "raspberrypi0-2w-64" to build an image for one of these platform. Otherwise the default platform is pi zero.
+4. `sudo ./build-pitrezor.sh TAG [raspberrypi4-64 | raspberrypi0-2w-64]` (where TAG is 1.11.1.0 for example, if left blank the script builds latest commit in master branch). You can optionnaly specify "raspberrypi4-64" or "raspberrypi0-2w-64" to build an image for one of these platform. Otherwise the default platform is pi zero.
 
 This creates file `build/pitrezor-MACHINE-TAG.zip` .
 
diff --git a/meta-pitrezor/recipes-core/pitrezor/pitrezor_git.bb b/meta-pitrezor/recipes-core/pitrezor/pitrezor_git.bb
index 988d97e..7f5de43 100644
--- a/meta-pitrezor/recipes-core/pitrezor/pitrezor_git.bb
+++ b/meta-pitrezor/recipes-core/pitrezor/pitrezor_git.bb
@@ -13,7 +13,7 @@ SRC_URI = "git://github.com/heneault/trezor-firmware.git;branch=pitrezor \
            file://pitrezor.config \
           "
 
-SRCREV = "1e62209d024b7e84a7368be8175735372b8080c9"
+SRCREV = "82d709c8643f5a1581d3d94c51687b7e0fb0c114"
 
 S = "${WORKDIR}/git"
 
@@ -24,8 +24,8 @@ do_compile() {
   export EMULATOR=1
   export PIZERO=1
   export CPUFLAGS=""
-  export RANDOM_DEV_FILE="/dev/random"
   export ARCH_BITS=${SITEINFO_BITS}
+  export CC_FOR_BUILD=${BUILD_CC}
   cd legacy
   make vendor
   make -C emulator/pizero