diff --git a/boltons/cacheutils.py b/boltons/cacheutils.py
index 4e5e508..27a19cb 100644
--- a/boltons/cacheutils.py
+++ b/boltons/cacheutils.py
@@ -82,7 +82,7 @@ except Exception:
             pass
 
 try:
-    from boltons.typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _MISSING = make_sentinel(var_name='_MISSING')
     _KWARG_MARK = make_sentinel(var_name='_KWARG_MARK')
 except ImportError:
diff --git a/boltons/debugutils.py b/boltons/debugutils.py
index 772f231..aca42d5 100644
--- a/boltons/debugutils.py
+++ b/boltons/debugutils.py
@@ -47,7 +47,7 @@ except NameError:
     from reprlib import Repr
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _UNSET = make_sentinel(var_name='_UNSET')
 except ImportError:
     _UNSET = object()
diff --git a/boltons/dictutils.py b/boltons/dictutils.py
index 2954bba..31a1951 100644
--- a/boltons/dictutils.py
+++ b/boltons/dictutils.py
@@ -82,7 +82,7 @@ except ImportError:
     from itertools import zip_longest as izip_longest
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _MISSING = make_sentinel(var_name='_MISSING')
 except ImportError:
     _MISSING = object()
diff --git a/boltons/funcutils.py b/boltons/funcutils.py
index 4348516..e46cddc 100644
--- a/boltons/funcutils.py
+++ b/boltons/funcutils.py
@@ -64,7 +64,7 @@ except AttributeError:
 
 
 try:
-    from boltons.typeutils import make_sentinel
+    from .typeutils import make_sentinel
     NO_DEFAULT = make_sentinel(var_name='NO_DEFAULT')
 except ImportError:
     NO_DEFAULT = object()
diff --git a/boltons/iterutils.py b/boltons/iterutils.py
index 3707566..d3da6e2 100644
--- a/boltons/iterutils.py
+++ b/boltons/iterutils.py
@@ -55,7 +55,7 @@ except ImportError:
 
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _UNSET = make_sentinel('_UNSET')
     _REMAP_EXIT = make_sentinel('_REMAP_EXIT')
 except ImportError:
diff --git a/boltons/listutils.py b/boltons/listutils.py
index 290ace1..e1bd3cd 100644
--- a/boltons/listutils.py
+++ b/boltons/listutils.py
@@ -47,7 +47,7 @@ from math import log as math_log
 from itertools import chain, islice
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _MISSING = make_sentinel(var_name='_MISSING')
 except ImportError:
     _MISSING = object()
diff --git a/boltons/queueutils.py b/boltons/queueutils.py
index 42adb14..56bf591 100644
--- a/boltons/queueutils.py
+++ b/boltons/queueutils.py
@@ -70,13 +70,13 @@ from bisect import insort
 import itertools
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _REMOVED = make_sentinel(var_name='_REMOVED')
 except ImportError:
     _REMOVED = object()
 
 try:
-    from listutils import BList
+    from .listutils import BList
     # see BarrelList docstring for notes
 except ImportError:
     BList = list
diff --git a/boltons/setutils.py b/boltons/setutils.py
index 16e5d74..5ee697e 100644
--- a/boltons/setutils.py
+++ b/boltons/setutils.py
@@ -53,7 +53,7 @@ except ImportError:
     from collections import MutableSet
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _MISSING = make_sentinel(var_name='_MISSING')
 except ImportError:
     _MISSING = object()
diff --git a/boltons/socketutils.py b/boltons/socketutils.py
index d1c7233..4944227 100644
--- a/boltons/socketutils.py
+++ b/boltons/socketutils.py
@@ -82,7 +82,7 @@ except Exception:
 
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _UNSET = make_sentinel(var_name='_UNSET')
 except ImportError:
     _UNSET = object()
diff --git a/boltons/tableutils.py b/boltons/tableutils.py
index 13234a5..22c896f 100644
--- a/boltons/tableutils.py
+++ b/boltons/tableutils.py
@@ -72,7 +72,7 @@ except NameError:
     from html import escape as html_escape
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _MISSING = make_sentinel(var_name='_MISSING')
 except ImportError:
     _MISSING = object()
diff --git a/boltons/urlutils.py b/boltons/urlutils.py
index 7462ed4..f21e505 100644
--- a/boltons/urlutils.py
+++ b/boltons/urlutils.py
@@ -995,7 +995,7 @@ except ImportError:
     from itertools import zip_longest as izip_longest
 
 try:
-    from typeutils import make_sentinel
+    from .typeutils import make_sentinel
     _MISSING = make_sentinel(var_name='_MISSING')
 except ImportError:
     _MISSING = object()
@@ -1538,7 +1538,7 @@ class OrderedMultiDict(dict):
 
 try:
     # try to import the built-in one anyways
-    from boltons.dictutils import OrderedMultiDict
+    from .dictutils import OrderedMultiDict
 except ImportError:
     pass