diff --git a/CHANGELOG.md b/CHANGELOG.md
index 454a593ef..5f6d633d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,25 +10,21 @@ Bob versions changelog
 
 
 #### Fixed
-- Ubuntu docker image build error (#412)
-- No more use of MockBobClient in production (#389)
-- Fix partitions removal response code (#405)
 
 
 #### Updated
 
 
-## [2.0.0] - ####-##-##
-#### Added
-
-
-#### Changed
-
 
+## [2.0.0-alpha.12] - 2021-12-10
 #### Fixed
+- Ubuntu docker image build error (#412)
+- No more use of MockBobClient in production (#389)
+- Fix partitions removal response code (#405)
 
 
 #### Updated
+- Upgrade pearl to v0.9.1
 
 
 ## [2.0.0-alpha.11] - 2021-12-10
diff --git a/bob-apps/Cargo.toml b/bob-apps/Cargo.toml
index 82082d7ac..22fabfe9b 100644
--- a/bob-apps/Cargo.toml
+++ b/bob-apps/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bob-apps"
-version = "2.0.0"
+version = "2.0.0-alpha.12"
 authors = ["Kirill Bushminkin <kb@qoollo.com>", "Pavel Iakushin <pyakushin@qoollo.com>"]
 edition = "2018"
 
diff --git a/bob-backend/Cargo.toml b/bob-backend/Cargo.toml
index adccc331a..0a2ea9c29 100644
--- a/bob-backend/Cargo.toml
+++ b/bob-backend/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bob-backend"
-version = "2.0.0"
+version = "2.0.0-alpha.12"
 authors = [
     "Kirill Bushminkin <kb@qoollo.com>",
     "Pavel Iakushin <pyakushin@qoollo.com>",
@@ -35,7 +35,7 @@ tower = "0.4"
 tower-service = "0.3"
 
 [dependencies.pearl]
-version = "=0.9.0"
+version = "=0.9.1"
 
 [dependencies.tokio]
 version = "1.14"
diff --git a/bob-common/Cargo.toml b/bob-common/Cargo.toml
index 47643f02d..1ca583b31 100644
--- a/bob-common/Cargo.toml
+++ b/bob-common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bob-common"
-version = "2.0.0"
+version = "2.0.0-alpha.12"
 authors = ["Kirill Bushminkin <kb@qoollo.com>", "Pavel Iakushin <pyakushin@qoollo.com>"]
 edition = "2018"
 
diff --git a/bob-grpc/Cargo.toml b/bob-grpc/Cargo.toml
index 45672fe01..62a75ec7a 100644
--- a/bob-grpc/Cargo.toml
+++ b/bob-grpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bob-grpc"
-version = "2.0.0"
+version = "2.0.0-alpha.12"
 authors = ["Kirill Bushminkin <kb@qoollo.com>", "Pavel Iakushin <pyakushin@qoollo.com>"]
 edition = "2018"
 
diff --git a/bob/Cargo.toml b/bob/Cargo.toml
index bdfbc5c75..320fcf2e1 100644
--- a/bob/Cargo.toml
+++ b/bob/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bob"
-version = "2.0.0"
+version = "2.0.0-alpha.12"
 authors = [
     "Kirill Bushminkin <kb@qoollo.com>",
     "Pavel Iakushin <pyakushin@qoollo.com>",
@@ -41,7 +41,7 @@ tower = "0.4"
 tower-service = "0.3"
 
 [dependencies.pearl]
-version = "=0.9.0"
+version = "=0.9.1"
 
 [dependencies.tokio]
 version = "1.14"