diff --git a/firstapp/source/getting_started.rst b/firstapp/source/getting_started.rst
index b27b168c2..80b47a69f 100644
--- a/firstapp/source/getting_started.rst
+++ b/firstapp/source/getting_started.rst
@@ -230,6 +230,7 @@ are familiar with running code snippets in your language of choice.
 
     .. literalinclude:: ../samples/dotnet/getting_started.cs
         :language: c#
+        :dedent: 3
         :start-after: step-1
         :end-before: step-2
 
@@ -307,6 +308,7 @@ To list the images that are available in your cloud, run some API calls:
 
     .. literalinclude:: ../samples/dotnet/getting_started.cs
         :language: c#
+        :dedent: 3
         :start-after: step-2
         :end-before: step-3
 
@@ -370,6 +372,7 @@ You can also get information about available flavors:
 
     .. literalinclude:: ../samples/dotnet/getting_started.cs
         :language: c#
+        :dedent: 3
         :start-after: step-3
         :end-before: step-4
 
@@ -442,6 +445,7 @@ image that you picked in the previous section:
 
     .. literalinclude:: ../samples/dotnet/getting_started.cs
         :language: c#
+        :dedent: 3
         :start-after: step-4
         :end-before: step-5
 
@@ -492,6 +496,7 @@ Next, choose which flavor you want to use:
 
     .. literalinclude:: ../samples/dotnet/getting_started.cs
         :language: c#
+        :dedent: 3
         :start-after: step-5
         :end-before: step-6
 
@@ -565,6 +570,7 @@ Create the instance.
 
     .. literalinclude:: ../samples/dotnet/getting_started.cs
         :language: c#
+        :dedent: 3
         :start-after: step-6
         :end-before: step-7
 
@@ -598,6 +604,7 @@ If you list existing instances:
 
     .. literalinclude:: ../samples/dotnet/getting_started.cs
         :language: c#
+        :dedent: 3
         :start-after: step-7
         :end-before: step-8
 
@@ -672,6 +679,7 @@ money. Destroy cloud resources to avoid unexpected expenses.
 
     .. literalinclude:: ../samples/dotnet/getting_started.cs
         :language: c#
+        :dedent: 3
         :start-after: step-8
         :end-before: step-9
 
diff --git a/test-requirements.txt b/test-requirements.txt
index 0b231ec00..f0211ee79 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,8 @@ pbr>=1.3,<2.0
 openstack-doc-tools>=0.23
 doc8  # Apache-2.0
 Pygments
-sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
+# At least 1.3 is required for dedent in code blocks. Capped to 1.3 to not get an automatic update to any newer versions.
+sphinx>=1.3,!=1.3b1,<1.4
 openstackdocstheme>=1.0.7
 nwdiag
 sphinxcontrib-nwdiag