diff --git a/.travis.yml b/.travis.yml
index 59a3ec42a4..85e14687ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,11 +13,11 @@ matrix:
   
   include:
   - os: linux
-    env: DISTRIB="conda" PYTHON_VERSION="3.4" MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh"
+    env: DISTRIB="conda" PYTHON_VERSION="3.4" MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda3-4.3.21-Linux-x86_64.sh"
   - os: linux
-    env: DISTRIB="conda" PYTHON_VERSION="3.5" COVERAGE="true" MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh"
+    env: DISTRIB="conda" PYTHON_VERSION="3.5" COVERAGE="true" MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda3-4.3.21-Linux-x86_64.sh"
   - os: linux
-    env: DISTRIB="conda" PYTHON_VERSION="3.6" MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh"
+    env: DISTRIB="conda" PYTHON_VERSION="3.6" MINICONDA_URL="https://repo.continuum.io/miniconda/Miniconda3-4.3.21-Linux-x86_64.sh"
 
   # Temporarily disabling OSX builds because thy take too long
   # Set language to generic to not break travis-ci
diff --git a/circle.yml b/circle.yml
index f0a372e043..8ff09eb573 100644
--- a/circle.yml
+++ b/circle.yml
@@ -29,7 +29,7 @@ dependencies:
     # Other stuff...
     - sudo -E apt-get -yq --no-install-suggests --no-install-recommends --force-yes install build-essential
     # Conda installation
-    - wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O ~/miniconda.sh
+    - wget https://repo.continuum.io/miniconda/Miniconda3-4.3.21-Linux-x86_64.sh -O ~/miniconda.sh
     - bash ~/miniconda.sh -b -p $HOME/miniconda
     - conda create -n testenv --yes python=3.6 pip wheel nose gcc swig
 
diff --git a/doc/releases.rst b/doc/releases.rst
index 5ab8b4252c..50ba0ca3be 100644
--- a/doc/releases.rst
+++ b/doc/releases.rst
@@ -18,7 +18,8 @@ Changes
 ~~~~~~~
 
 * Allows the usage of scikit-learn 0.18.2.
-* Fixes requirement pyrfr to version ``0.4.0``.
+* Upgrade to latest SMAC version (``0.6.0``) and latest random forest version
+  (``0.6.1``).
 * Added a Dockerfile.
 * Added the possibility to change the size of the holdout set when
   using holdout resampling strategy.