diff --git a/CITATION.cff b/CITATION.cff
index 3b18e1f..73e3353 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -10,7 +10,7 @@ authors:
 title: CBMPy MetaDraft
 version: 0.9.2
 doi: 10.5281/zenodo.2398336
-date-released: 2019-05-18
+date-released: 2019-08-08
 repository-code: https://github.com/SystemsBioinformatics/cbmpy-metadraft
 keywords:
   - "genome scale reconstruction"
diff --git a/INSTALL.txt b/INSTALL.txt
index 74fe7d0..37924f3 100644
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -12,4 +12,4 @@ look in the help-->syslog menu for error messages. Or in the log subdirectory.
 
 Please read and agree with the LICENCE.txt for usage and distribution.
 
-(c) Brett G. Olivier, Amsterdam, 2016-2017, all rights reserved.
+(c) Brett G. Olivier, Amsterdam, 2016-2019, all rights reserved.
diff --git a/README.md b/README.md
index 40df8e3..a6912a8 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,7 @@ or individually install the core packages (minimal):
 Please cite this software if you use it (the author(s) enthusiasm to carry on maintaining this project depend on it), see CITATION.cff for more details.
 
 ```text
- Brett G. Olivier. (2018, December 18). 
+ Brett G. Olivier. (2019, October 8). 
  SystemsBioinformatics/cbmpy-metadraft: Metadraft. 
  Zenodo. http://doi.org/10.5281/zenodo.2398336
 ```
diff --git a/conda_env_build_ubuntu.yml b/conda_env_build_ubuntu.yml
index 73b9134..fd38706 100644
--- a/conda_env_build_ubuntu.yml
+++ b/conda_env_build_ubuntu.yml
@@ -4,7 +4,7 @@ channels:
   - bgoli
   - defaults
 dependencies:
-  - cbmpy=0.7.21=py27_0
+  - cbmpy=0.7.25=py27_0
   - backports=1.0=py27_1
   - backports.functools_lru_cache=1.5=py27_1
   - backports_abc=0.5=py27_0
diff --git a/conda_env_build_win.yml b/conda_env_build_win.yml
index fdb8574..3a6434a 100644
--- a/conda_env_build_win.yml
+++ b/conda_env_build_win.yml
@@ -4,7 +4,7 @@ channels:
   - bgoli
   - defaults
 dependencies:
-  - cbmpy=0.7.21=py27_0
+  - cbmpy=0.7.25=py27_0
   - backports=1.0=py27_1
   - backports.functools_lru_cache=1.5=py27_1
   - backports_abc=0.5=py27h0ec6b72_0
diff --git a/conda_env_build_win_py3.yml b/conda_env_build_win_py3.yml
index 8d98497..77f372d 100644
--- a/conda_env_build_win_py3.yml
+++ b/conda_env_build_win_py3.yml
@@ -4,7 +4,7 @@ channels:
   - bgoli
   - defaults
 dependencies:
-  - cbmpy=0.7.21=py36_0
+  - cbmpy=0.7.25=py36_0
   - backcall=0.1.0=py36_0
   - biopython=1.72=py36h830ac7b_0
   - blas=1.0=mkl
diff --git a/libpython/__init__.py b/libpython/__init__.py
index 5f29bc1..c4e664b 100644
--- a/libpython/__init__.py
+++ b/libpython/__init__.py
@@ -5,7 +5,7 @@
 MetaDraft: for the reconstruction of Genome Scale Models
 
 MetaToolkit: MetaDraft (https://github.com/SystemsBioinformatics/cbmpy-metadraft)
-Copyright (C) 2016-2018 Brett G. Olivier, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
+Copyright (C) 2016-2019 Brett G. Olivier, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -23,4 +23,4 @@
 Author: Brett G. Olivier PhD
 Contact email: b.g.olivier@vu.nl
 
-"""
\ No newline at end of file
+"""
diff --git a/libpython/report_templates.py b/libpython/report_templates.py
index 36b2974..b66e481 100644
--- a/libpython/report_templates.py
+++ b/libpython/report_templates.py
@@ -5,7 +5,7 @@
 MetaDraft: for the reconstruction of Genome Scale Models
 
 MetaToolkit: MetaDraft (https://github.com/SystemsBioinformatics/cbmpy-metadraft)
-Copyright (C) 2016-2018 Brett G. Olivier, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
+Copyright (C) 2016-2019 Brett G. Olivier, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/metadraft.py b/metadraft.py
index bbc184f..8a1c642 100644
--- a/metadraft.py
+++ b/metadraft.py
@@ -5,7 +5,7 @@
 MetaDraft: for the reconstruction of Genome Scale Models
 
 MetaToolkit: MetaDraft (https://github.com/SystemsBioinformatics/cbmpy-metadraft)
-Copyright (C) 2016-2018 Brett G. Olivier, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
+Copyright (C) 2016-2019 Brett G. Olivier, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -31,7 +31,7 @@ def run_metadraft():
     app = QApplication(sys.argv)
     widget_splash = QSplashScreen(QPixmap("images/metatoolkit1-03.jpg"))
     widget_splash.show()
-    widget_splash.showMessage("Ver {}-({})\nAuthor: Brett G. Olivier\n(c) Systems Bioinformatics, VU University Amsterdam, Amsterdam, 2017-2018.\nSee Help - About for more details.".format(metadraft_version, cbmpy.__version__), alignment=Qt.AlignBottom)
+    widget_splash.showMessage("Ver {}-({})\nAuthor: Brett G. Olivier\n(c) Systems Bioinformatics, VU University Amsterdam, Amsterdam, 2017-2019.\nSee Help - About for more details.".format(metadraft_version, cbmpy.__version__), alignment=Qt.AlignBottom)
     time.sleep(2)
     ex = MetaDraftApp()
     widget_splash.finish(ex)
diff --git a/requirements.txt b/requirements.txt
index b00dc3f..eddee3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,26 +1,26 @@
-backcall==0.1.0
-biopython==1.72
-cbmpy==0.7.21
-certifi==2018.10.15
-colorama==0.4.0
-decorator==4.3.0
-ipython==7.1.1
-ipython-genutils==0.2.0
-jedi==0.13.1
-numpy==1.15.4
+backcall>=0.1.0
+biopython>=1.72
+cbmpy>=0.7.25
+certifi>=2018.10.15
+colorama>=0.4.0
+decorator>=4.3.0
+ipython>=7.1.1
+ipython-genutils>=0.2.0
+jedi>=0.13.1
+numpy>=1.15.4
 nose>=1.3.7
-parso==0.3.1
-pickleshare==0.7.5
-prompt-toolkit==2.0.7
-Pygments==2.2.0
+parso>=0.4.0
+pickleshare>=0.7.5
+prompt-toolkit>=2.0.7
+Pygments>=2.2.0
 pyparsing>=2.3.0
-PyQt5==5.11.3
-PyQt5-sip==4.19.13
+PyQt5>=5.11.3
+PyQt5-sip>=4.19.13
 python-libsbml>=5.17.0
-sip==4.19.8
-six==1.11.0
-traitlets==4.3.2
-wcwidth==0.1.7
-wincertstore==0.2
-xlrd==1.1.0
-xlwt==1.3.0
+sip>=4.19.8
+six>=1.11.0
+traitlets>=4.3.2
+wcwidth>=0.1.7
+wincertstore>=0.2
+xlrd>=1.1.0
+xlwt>=1.3.0
diff --git a/systemtest.py b/systemtest.py
index 7f80588..99286bc 100644
--- a/systemtest.py
+++ b/systemtest.py
@@ -5,7 +5,7 @@
 MetaDraft: for the reconstruction of Genome Scale Models
 
 MetaToolkit: MetaDraft (https://github.com/SystemsBioinformatics/cbmpy-metadraft)
-Copyright (C) 2016-2018 Brett G. Olivier, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
+Copyright (C) 2016-2019 Brett G. Olivier, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by