diff --git a/ci/requirements-2.7_32.txt b/ci/requirements-2.7_32.txt
index 01b305bb6f21a..2e241b1ce45bf 100644
--- a/ci/requirements-2.7_32.txt
+++ b/ci/requirements-2.7_32.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz
 xlwt
 numpy
diff --git a/ci/requirements-2.7_64.txt b/ci/requirements-2.7_64.txt
index 01b305bb6f21a..2e241b1ce45bf 100644
--- a/ci/requirements-2.7_64.txt
+++ b/ci/requirements-2.7_64.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz
 xlwt
 numpy
diff --git a/ci/requirements-2.7_LOCALE.txt b/ci/requirements-2.7_LOCALE.txt
index 6c70bfd77ff3f..fc7aceb0dffbb 100644
--- a/ci/requirements-2.7_LOCALE.txt
+++ b/ci/requirements-2.7_LOCALE.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz=2013b
 xlwt=0.7.5
 openpyxl=1.6.2
diff --git a/ci/requirements-2.7_SLOW.txt b/ci/requirements-2.7_SLOW.txt
index a1ecbceda40dd..19686ccb56922 100644
--- a/ci/requirements-2.7_SLOW.txt
+++ b/ci/requirements-2.7_SLOW.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz
 numpy
 cython
diff --git a/ci/requirements-3.3.txt b/ci/requirements-3.3.txt
index c9beec81236fb..cb8c3f7c10127 100644
--- a/ci/requirements-3.3.txt
+++ b/ci/requirements-3.3.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz=2013b
 openpyxl=1.6.2
 xlsxwriter=0.4.6
diff --git a/ci/requirements-3.4.txt b/ci/requirements-3.4.txt
index 8a55c0458688e..24af93fb16194 100644
--- a/ci/requirements-3.4.txt
+++ b/ci/requirements-3.4.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz
 openpyxl
 xlsxwriter
diff --git a/ci/requirements-3.4_32.txt b/ci/requirements-3.4_32.txt
index e9dfe9f0ee19e..f2a364ed64311 100644
--- a/ci/requirements-3.4_32.txt
+++ b/ci/requirements-3.4_32.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz
 openpyxl
 xlrd
diff --git a/ci/requirements-3.4_64.txt b/ci/requirements-3.4_64.txt
index e9dfe9f0ee19e..f2a364ed64311 100644
--- a/ci/requirements-3.4_64.txt
+++ b/ci/requirements-3.4_64.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz
 openpyxl
 xlrd
diff --git a/ci/requirements-3.4_SLOW.txt b/ci/requirements-3.4_SLOW.txt
index 930cf126b7da0..6372d9b4f6068 100644
--- a/ci/requirements-3.4_SLOW.txt
+++ b/ci/requirements-3.4_SLOW.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz
 openpyxl
 xlsxwriter
diff --git a/ci/requirements_all.txt b/ci/requirements_all.txt
index c70efed96a8dd..cac6dae3346ef 100644
--- a/ci/requirements_all.txt
+++ b/ci/requirements_all.txt
@@ -1,7 +1,7 @@
 nose
 sphinx
 ipython
-dateutil
+python-dateutil
 pytz
 openpyxl
 xlsxwriter
diff --git a/ci/requirements_dev.txt b/ci/requirements_dev.txt
index b273ca043c4a2..eac993f1cdf73 100644
--- a/ci/requirements_dev.txt
+++ b/ci/requirements_dev.txt
@@ -1,4 +1,4 @@
-dateutil
+python-dateutil
 pytz
 numpy
 cython