diff --git a/poky/scripts/lib/recipetool/create.py b/poky/scripts/lib/recipetool/create.py
index 8d78c5b..566c753 100644
--- a/poky/scripts/lib/recipetool/create.py
+++ b/poky/scripts/lib/recipetool/create.py
@@ -66,7 +66,7 @@
         libdir = d.getVar('libdir')
         base_libdir = d.getVar('base_libdir')
         libpaths = list(set([base_libdir, libdir]))
-        libname_re = re.compile('^lib(.+)\.so.*$')
+        libname_re = re.compile(r'^lib(.+)\.so.*$')
         pkglibmap = {}
         for lib, item in shlib_providers.items():
             for path, pkg in item.items():
@@ -428,7 +428,7 @@
 
     if scriptutils.is_src_url(source):
         # Warn about github archive URLs
-        if re.match('https?://github.com/[^/]+/[^/]+/archive/.+(\.tar\..*|\.zip)$', source):
+        if re.match(r'https?://github.com/[^/]+/[^/]+/archive/.+(\.tar\..*|\.zip)$', source):
             logger.warning('github archive files are not guaranteed to be stable and may be re-generated over time. If the latter occurs, the checksums will likely change and the recipe will fail at do_fetch. It is recommended that you point to an actual commit or tag in the repository instead (using the repository URL in conjunction with the -S/--srcrev option).')
         # Fetch a URL
         fetchuri = reformat_git_uri(urldefrag(source)[0])
@@ -830,7 +830,7 @@
         elif line.startswith('PV = '):
             if realpv:
                 # Replace the first part of the PV value
-                line = re.sub('"[^+]*\+', '"%s+' % realpv, line)
+                line = re.sub(r'"[^+]*\+', '"%s+' % realpv, line)
         lines_before.append(line)
 
     if args.also_native:
@@ -1066,8 +1066,8 @@
     import oe.utils
 
     # Note: these are carefully constructed!
-    license_title_re = re.compile('^\(?(#+ *)?(The )?.{1,10} [Ll]icen[sc]e( \(.{1,10}\))?\)?:?$')
-    license_statement_re = re.compile('^(This (project|software) is( free software)? (released|licen[sc]ed)|(Released|Licen[cs]ed)) under the .{1,10} [Ll]icen[sc]e:?$')
+    license_title_re = re.compile(r'^\(?(#+ *)?(The )?.{1,10} [Ll]icen[sc]e( \(.{1,10}\))?\)?:?$')
+    license_statement_re = re.compile(r'^(This (project|software) is( free software)? (released|licen[sc]ed)|(Released|Licen[cs]ed)) under the .{1,10} [Ll]icen[sc]e:?$')
     copyright_re = re.compile('^(#+)? *Copyright .*$')
 
     crunched_md5sums = {}