diff --git a/appveyor.yml b/appveyor.yml
index a1f8886f6d068..f1259f271ee39 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -59,7 +59,7 @@ install:
 
   # install our build environment
   - cmd: conda config --set show_channel_urls true --set always_yes true --set changeps1 false
-  - cmd: conda update -q conda
+  # - cmd: conda update -q conda
   - cmd: conda config --set ssl_verify false
 
   # add the pandas channel *before* defaults to have defaults take priority
diff --git a/ci/install.ps1 b/ci/install.ps1
index 64ec7f81884cd..b784b4ebf5e6a 100644
--- a/ci/install.ps1
+++ b/ci/install.ps1
@@ -7,7 +7,7 @@ $MINICONDA_URL = "http://repo.continuum.io/miniconda/"
 
 function DownloadMiniconda ($python_version, $platform_suffix) {
     $webclient = New-Object System.Net.WebClient
-    $filename = "Miniconda3-latest-Windows-" + $platform_suffix + ".exe"
+    $filename = "Miniconda3-4.3.21-Windows-" + $platform_suffix + ".exe"
     $url = $MINICONDA_URL + $filename
 
     $basedir = $pwd.Path + "\"
@@ -85,7 +85,7 @@ function UpdateConda ($python_home) {
 
 function main () {
     InstallMiniconda "3.5" $env:PYTHON_ARCH $env:CONDA_ROOT
-    UpdateConda $env:CONDA_ROOT
+    # UpdateConda $env:CONDA_ROOT
     InstallCondaPackages $env:CONDA_ROOT "conda-build jinja2 anaconda-client"
 }
 
diff --git a/ci/install_circle.sh b/ci/install_circle.sh
index fd79f907625e9..eba98be561397 100755
--- a/ci/install_circle.sh
+++ b/ci/install_circle.sh
@@ -10,7 +10,9 @@ echo "[Using clean Miniconda install]"
 rm -rf "$MINICONDA_DIR"
 
 # install miniconda
-wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -q -O miniconda.sh || exit 1
+# wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -q -O miniconda.sh || exit 1
+# Pin miniconda
+wget https://repo.continuum.io/miniconda/Miniconda2-4.3.21-Linux-x86_64.sh -q -O miniconda.sh || exit 1
 bash miniconda.sh -b -p "$MINICONDA_DIR" || exit 1
 
 export PATH="$MINICONDA_DIR/bin:$PATH"
@@ -18,7 +20,7 @@ export PATH="$MINICONDA_DIR/bin:$PATH"
 echo "[update conda]"
 conda config --set ssl_verify false || exit 1
 conda config --set always_yes true --set changeps1 false || exit 1
-conda update -q conda
+# conda update -q conda
 
 # add the pandas channel to take priority
 # to add extra packages
diff --git a/ci/install_travis.sh b/ci/install_travis.sh
index b85263daa1eac..faf404ddcd293 100755
--- a/ci/install_travis.sh
+++ b/ci/install_travis.sh
@@ -34,9 +34,13 @@ fi
 
 # install miniconda
 if [ "${TRAVIS_OS_NAME}" == "osx" ]; then
-    time wget http://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O miniconda.sh || exit 1
+    # temporarily pin miniconda
+    # time wget http://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh -O miniconda.sh || exit 1
+    time wget https://repo.continuum.io/miniconda/Miniconda2-4.3.21-MacOSX-x86_64.sh -O miniconda.sh || exit 1
 else
-    time wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh || exit 1
+    # temporarily pin miniconda
+    # time wget http://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh || exit 1
+    time wget https://repo.continuum.io/miniconda/Miniconda2-4.3.21-Linux-x86_64.sh -O miniconda.sh || exit 1
 fi
 time bash miniconda.sh -b -p "$MINICONDA_DIR" || exit 1
 
@@ -48,7 +52,7 @@ echo
 echo "[update conda]"
 conda config --set ssl_verify false || exit 1
 conda config --set quiet true --set always_yes true --set changeps1 false || exit 1
-conda update -q conda
+# conda update -q conda
 
 echo
 echo "[add channels]"
diff --git a/ci/requirements-2.7_SLOW.run b/ci/requirements-2.7_SLOW.run
index f7708283ad04a..db95a6ccb2314 100644
--- a/ci/requirements-2.7_SLOW.run
+++ b/ci/requirements-2.7_SLOW.run
@@ -16,4 +16,4 @@ s3fs
 psycopg2
 pymysql
 html5lib
-beautiful-soup
+beautifulsoup4
diff --git a/ci/requirements-2.7_WIN.run b/ci/requirements-2.7_WIN.run
index f953682f52d45..a81542ee5006c 100644
--- a/ci/requirements-2.7_WIN.run
+++ b/ci/requirements-2.7_WIN.run
@@ -14,5 +14,5 @@ xlsxwriter
 s3fs
 bottleneck
 html5lib
-beautiful-soup
+beautifulsoup4
 jinja2=2.8
diff --git a/ci/requirements_all.txt b/ci/requirements_all.txt
index b153b6989df86..e13afd619f105 100644
--- a/ci/requirements_all.txt
+++ b/ci/requirements_all.txt
@@ -13,7 +13,7 @@ xlrd
 xlwt
 html5lib
 patsy
-beautiful-soup
+beautifulsoup4
 numpy
 cython
 scipy
diff --git a/pandas/tests/io/test_pytables.py b/pandas/tests/io/test_pytables.py
index ff21afc11d220..c5729d421758e 100644
--- a/pandas/tests/io/test_pytables.py
+++ b/pandas/tests/io/test_pytables.py
@@ -799,6 +799,10 @@ def test_complibs(self):
         # Remove lzo if its not available on this platform
         if not tables.which_lib_version('lzo'):
             all_complibs.remove('lzo')
+        # Remove bzip2 if its not available on this platform
+        if not tables.which_lib_version("bzip2"):
+            all_complibs.remove("bzip2")
+
         all_levels = range(0, 10)
         all_tests = [(lib, lvl) for lib in all_complibs for lvl in all_levels]