diff --git a/README.md b/README.md
index d48aa40c9b6e5cb9b43173c49eb5cf30f5402b1f..cbfa51a2e83af3255f0affa2debc2a727b8a8722 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
 Clone this repository and install COMBO (we suggest creating a virtualenv/conda environment with Python 3.6+, as a bundle of required packages will be installed):
 ```bash
 pip install -U pip setuptools wheel
-pip install --index-url https://pypi.clarin-pl.eu/simple combo
+pip install --index-url https://pypi.clarin-pl.eu/simple combo==1.0.0
 ```
 Run the following commands in your Python console to make predictions with a pre-trained model:
 ```python
diff --git a/docs/installation.md b/docs/installation.md
index ed2ae3f5b8a4ee2fc0a82991b7577a1e3a512ce6..a4f9193937324acac7a7f4c9d4f8e97bb7e90bee 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -2,7 +2,7 @@
 Clone this repository and install COMBO (we suggest using virtualenv/conda with Python 3.6+):
 ```bash
 pip install -U pip setuptools wheel
-pip install --index-url https://pypi.clarin-pl.eu/simple combo
+pip install --index-url https://pypi.clarin-pl.eu/simple combo==1.0.0
 combo --helpfull
 ```
 
@@ -11,7 +11,7 @@ combo --helpfull
 python -m venv venv
 source venv/bin/activate
 pip install -U pip setuptools wheel
-pip install --index-url https://pypi.clarin-pl.eu/simple combo
+pip install --index-url https://pypi.clarin-pl.eu/simple combo==1.0.0
 ```
 
 ## Problems & solutions
@@ -21,7 +21,7 @@ Run `conda install -c conda-forge jsonnet=0.15.0` and re-run installation.
 
 * No package 'sentencepiece' found
 
-Run `pip install sentencepiece` and re-run installation.
+Run `pip install sentencepiece==0.1.83` and re-run installation.
 
 * Missing Cython error
 
diff --git a/setup.py b/setup.py
index 0c8c371d4db9021d32d7bc8acd01c90a3c6e9bb5..89e8208501b1b085f414a023ade6b8336e5865f2 100644
--- a/setup.py
+++ b/setup.py
@@ -10,6 +10,7 @@ REQUIREMENTS = [
     'numpy==1.19.4',
     'overrides==3.1.0',
     'requests==2.23.0',
+    'sentencepiece==0.1.83',
     'spacy==2.3.2',
     'scikit-learn<=0.23.2',
     'torch==1.6.0',
@@ -20,7 +21,7 @@ REQUIREMENTS = [
 
 setup(
     name='combo',
-    version='1.0.0b4',
+    version='1.0.0',
     author='Mateusz Klimaszewski',
     author_email='M.Klimaszewski@ii.pw.edu.pl',
     install_requires=REQUIREMENTS,