diff --git a/.mergify.yml b/.mergify.yml
index 87a3438930f5..10b6d2022256 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -6,4 +6,4 @@ pull_request_rules:
     actions:
       backport:
         branches:
-          - stable/1.0
+          - stable/1.1
diff --git a/Cargo.lock b/Cargo.lock
index 50903b3811af..84e0e0090663 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1095,7 +1095,7 @@ dependencies = [
 
 [[package]]
 name = "qiskit-accelerate"
-version = "1.1.0"
+version = "1.2.0"
 dependencies = [
  "ahash 0.8.11",
  "approx",
@@ -1122,7 +1122,7 @@ dependencies = [
 
 [[package]]
 name = "qiskit-circuit"
-version = "1.1.0"
+version = "1.2.0"
 dependencies = [
  "hashbrown 0.14.5",
  "pyo3",
@@ -1130,7 +1130,7 @@ dependencies = [
 
 [[package]]
 name = "qiskit-pyext"
-version = "1.1.0"
+version = "1.2.0"
 dependencies = [
  "pyo3",
  "qiskit-accelerate",
@@ -1141,7 +1141,7 @@ dependencies = [
 
 [[package]]
 name = "qiskit-qasm2"
-version = "1.1.0"
+version = "1.2.0"
 dependencies = [
  "hashbrown 0.14.5",
  "pyo3",
@@ -1150,7 +1150,7 @@ dependencies = [
 
 [[package]]
 name = "qiskit-qasm3"
-version = "1.1.0"
+version = "1.2.0"
 dependencies = [
  "hashbrown 0.14.5",
  "indexmap 2.2.6",
diff --git a/Cargo.toml b/Cargo.toml
index 9c4af6260bed..2827b2206f4d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["crates/*"]
 resolver = "2"
 
 [workspace.package]
-version = "1.1.0"
+version = "1.2.0"
 edition = "2021"
 rust-version = "1.70"  # Keep in sync with README.md and rust-toolchain.toml.
 license = "Apache-2.0"
diff --git a/docs/conf.py b/docs/conf.py
index 7081b7d4ed9a..b35f5ca64d66 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -30,9 +30,9 @@
 author = "Qiskit Development Team"
 
 # The short X.Y version
-version = "1.1"
+version = "1.2"
 # The full version, including alpha/beta/rc tags
-release = "1.1.0rc1"
+release = "1.2.0"
 
 language = "en"
 
diff --git a/qiskit/VERSION.txt b/qiskit/VERSION.txt
index 686366e4bb8a..26aaba0e8663 100644
--- a/qiskit/VERSION.txt
+++ b/qiskit/VERSION.txt
@@ -1 +1 @@
-1.1.0rc1
+1.2.0