diff --git a/Makefile b/Makefile
index 256960fd26..a08f7dbf11 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 include Utils.makefile
 
 
-APP_VERSION="7.2"
+APP_VERSION="7.2.1"
 CORE_COUNT=$(shell sysctl -n hw.logicalcpu)
 CORE_COUNT_MINUS_ONE=$(shell expr ${CORE_COUNT} \- 1)
 
diff --git a/build-system/fake-codesigning/certs/distribution/Public.cer b/build-system/fake-codesigning/certs/distribution/Public.cer
new file mode 100644
index 0000000000..44e99d8988
Binary files /dev/null and b/build-system/fake-codesigning/certs/distribution/Public.cer differ
diff --git a/buildbox/fake-codesigning/certs/distribution/SelfSigned.p12 b/buildbox/fake-codesigning/certs/distribution/SelfSigned.p12
deleted file mode 100644
index 16cca416df..0000000000
Binary files a/buildbox/fake-codesigning/certs/distribution/SelfSigned.p12 and /dev/null differ
diff --git a/buildbox/guest-build-telegram.sh b/buildbox/guest-build-telegram.sh
index 33902f97a5..06cebc1577 100644
--- a/buildbox/guest-build-telegram.sh
+++ b/buildbox/guest-build-telegram.sh
@@ -85,8 +85,12 @@ BASE_DIR=$(pwd)
 cd "$SOURCE_PATH"
 tar -xf "../source.tar"
 
-for f in $(ls "$CERTS_PATH"); do
-	security import "$CERTS_PATH/$f" -k "$MY_KEYCHAIN" -P "" -T /usr/bin/codesign -T /usr/bin/security
+for f in "$CERTS_PATH"/*.p12; do
+	security import "$f" -k "$MY_KEYCHAIN" -P "" -T /usr/bin/codesign -T /usr/bin/security
+done
+
+for f in "$CERTS_PATH"/*.cer; do
+	sudo security add-trusted-cert -d -r trustRoot -p codeSign -k "$MY_KEYCHAIN" "$f"
 done
 
 security set-key-partition-list -S apple-tool:,apple: -k "$MY_KEYCHAIN_PASSWORD" "$MY_KEYCHAIN"