diff --git a/Project.toml b/Project.toml
index 6028b67c832..b8a886ccb5b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "JuMP"
 uuid = "4076af6c-e467-56ae-b986-b466b2749572"
 repo = "https://github.com/jump-dev/JuMP.jl.git"
-version = "1.2.0"
+version = "1.2.1"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
diff --git a/README.md b/README.md
index fd267af4d1d..2ec529d8220 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ embedded in [Julia](https://julialang.org/). You can find out more about us by
 visiting [jump.dev](https://jump.dev).
 
 
-**Latest Release**: [![version](https://juliahub.com/docs/JuMP/DmXqY/1.2.0/version.svg)](https://juliahub.com/ui/Packages/JuMP/DmXqY/1.2.0) (`release-1.0` branch):
+**Latest Release**: [![version](https://juliahub.com/docs/JuMP/DmXqY/1.2.1/version.svg)](https://juliahub.com/ui/Packages/JuMP/DmXqY/1.2.1) (`release-1.0` branch):
   * Installation via the Julia package manager:
     * `import Pkg; Pkg.add("JuMP")`
   * Get help:
diff --git a/docs/src/release_notes.md b/docs/src/release_notes.md
index 99ded9b0fff..c0a284d4ab0 100644
--- a/docs/src/release_notes.md
+++ b/docs/src/release_notes.md
@@ -1,5 +1,13 @@
 # Release notes
 
+## Version 1.2.1 (August 22, 2022)
+
+For a detailed list of the closed issues and pull requests from this release,
+see the [tag notes](https://github.com/jump-dev/JuMP.jl/releases/tag/v1.2.1).
+
+- Bug fixes:
+  - Fixed a bug when parsing two-sided nonlinear constraints
+
 ## Version 1.2.0 (August 16, 2022)
 
 For a detailed list of the closed issues and pull requests from this release,