diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6616fa3cae1ee62bfa12ed72d132081aa9d23bea..d6c5396634eb95f78beeed31b8729da4b7909f30 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,16 +1,16 @@
 # NES CHANGELOG
 
 ### 1.1.1
-* Release date: ???
+* Release date: 2023/04/29
 * Changes and new features:
-  * Improved time on **concatenate_netcdfs** function ([#55](https://earth.bsc.es/gitlab/es/NES/-/issues/55))
   * Sum of Nes objects ([#48](https://earth.bsc.es/gitlab/es/NES/-/issues/48))
   * Write 2D string data to save variables from shapefiles after doing a spatial join ([#49](https://earth.bsc.es/gitlab/es/NES/-/issues/49))
+  * Horizontal Interpolation Conservative: Improvement on memory usage when calculating the weight matrix ([#54](https://earth.bsc.es/gitlab/es/NES/-/issues/54))
+  * Improved time on **concatenate_netcdfs** function ([#55](https://earth.bsc.es/gitlab/es/NES/-/issues/55))
   * Write by time step to avoid memory issues ([#57](https://earth.bsc.es/gitlab/es/NES/-/issues/57))
   * Flux conservative horizontal interpolation ([#60](https://earth.bsc.es/gitlab/es/NES/-/issues/60))
   * Bugs fixing:
     * Bug on `cell_methods` serial write ([#53](https://earth.bsc.es/gitlab/es/NES/-/issues/53))
-    * Horizontal Interpolation Conservative: Improvement on memory usage when calculating the weight matrix ([#54](https://earth.bsc.es/gitlab/es/NES/-/issues/54))
     * Bug on avoid_first_hours that where not filtered after read the dimensions ([#59](https://earth.bsc.es/gitlab/es/NES/-/issues/59))
     * Bug while reading masked data.
 
diff --git a/nes/__init__.py b/nes/__init__.py
index 29592c5be7b97ad2f8358ed8dd9ae5a94be88109..929b1cbd7ec4ab725b6e47103ada6bef9f3fdde3 100644
--- a/nes/__init__.py
+++ b/nes/__init__.py
@@ -1,5 +1,5 @@
-__date__ = "2023-03-02"
-__version__ = "1.1.0"
+__date__ = "2023-04-29"
+__version__ = "1.1.1"
 
 from .load_nes import open_netcdf, concatenate_netcdfs
 from .create_nes import create_nes, from_shapefile