diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61e713504a65939f69220f3a667058df24bc8983..e22d22a25053bab94c8ba4086bfb3f76ff80cb1b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+v0.1.3
+------
+* Deprecated simulator/ravaflow24 module and introduced simulator/ravaflow3G.
+* Updated tests and docs accordingly.
+* Updated Poetry dependencies.
+
+
 v0.1.2
 ------
 
diff --git a/pyproject.toml b/pyproject.toml
index 6dcfce8567e2244b34a5c1181ea7c0473262723c..d9e12494558abc6956d6e6f9c2be6b008543c765 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ python = ">=3.9"
 numpy = ">1.22.3"
 scipy = ">1.8.0"
 SALib = ">1.4.5"
-rpy2 = "=3.5.12" # 3.5.13 seems to be broken
+rpy2 = "=3.5.12" # 3.5.13 seems to be broken, see https://github.com/rpy2/rpy2/issues/1045
 beartype = ">0.11.0"
 
 [tool.poetry.dev-dependencies]
diff --git a/src/psimpy/simulator/ravaflow24.py b/src/psimpy/simulator/ravaflow24.py
index 5ad6a3196040b39cd9864b2f2ca628c69cfc501c..c3c779396a3dc55c2962d7451d1debb6dc42ddfc 100755
--- a/src/psimpy/simulator/ravaflow24.py
+++ b/src/psimpy/simulator/ravaflow24.py
@@ -86,7 +86,7 @@ class Ravaflow24Mixture:
 
         """
         warnings.warn(
-            "The ravaflow24 module will be deprecated on 19.01.2024. Please use ravaflow3G module.",
+            "The ravaflow24 module will be deprecated on 31.12.2023. Please use ravaflow3G module.",
             FutureWarning,
         )
 
@@ -187,7 +187,7 @@ class Ravaflow24Mixture:
             `GRASS <https://grass.osgeo.org/>`_ to run the simulation.
         """
         warnings.warn(
-            "The ravaflow24 module will be deprecated on 19.01.2024. Please use ravaflow3G module.",
+            "The ravaflow24 module will be deprecated on 31.12.2023. Please use ravaflow3G module.",
             FutureWarning,
         )
 
@@ -262,7 +262,7 @@ class Ravaflow24Mixture:
             Name of the shell file (including path).
         """
         warnings.warn(
-            "The ravaflow24 module will be deprecated on 19.01.2024. Please use ravaflow3G module.",
+            "The ravaflow24 module will be deprecated on 31.12.2023. Please use ravaflow3G module.",
             FutureWarning,
         )
         if not os.path.exists(grass_location):
@@ -305,7 +305,7 @@ class Ravaflow24Mixture:
             A scalar value representing the overall impact area.
         """
         warnings.warn(
-            "The ravaflow24 module will be deprecated on 19.01.2024. Please use ravaflow3G module.",
+            "The ravaflow24 module will be deprecated on 31.12.2023. Please use ravaflow3G module.",
             FutureWarning,
         )
 
@@ -356,7 +356,7 @@ class Ravaflow24Mixture:
             Maximum value(s) of ``qoi`` in one simulation.
         """
         warnings.warn(
-            "The ravaflow24 module will be deprecated on 19.01.2024. Please use ravaflow3G module.",
+            "The ravaflow24 module will be deprecated on 31.12.2023. Please use ravaflow3G module.",
             FutureWarning,
         )
 
@@ -404,7 +404,7 @@ class Ravaflow24Mixture:
             Shape of :code:`(nloc,)`.
         """
         warnings.warn(
-            "The ravaflow24 module will be deprecated on 19.01.2024. Please use ravaflow3G module.",
+            "The ravaflow24 module will be deprecated on 31.12.2023. Please use ravaflow3G module.",
             FutureWarning,
         )