diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b91ceb..10647b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [2021-10-05 - Version 1.5.2](https://github.com/matajoh/libnpy/releases/tag/v1.5.2)
+
+Removing `using namespace std` to simplify library use
+
 ## [2021-08-26 - Version 1.5.1](https://github.com/matajoh/libnpy/releases/tag/v1.5.1)
 
 Improvements:
diff --git a/VERSION b/VERSION
index 8e03717..a73b432 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.1
\ No newline at end of file
+1.5.2
\ No newline at end of file
diff --git a/include/npy/core.h b/include/npy/core.h
index a88db5a..81238ec 100644
--- a/include/npy/core.h
+++ b/include/npy/core.h
@@ -16,8 +16,6 @@
 #include <iostream>
 #include <vector>
 
-using namespace std;
-
 namespace npy
 {
 /** Enumeration which represents a type of endianness */
diff --git a/include/npy/npy.h b/include/npy/npy.h
index cd0983d..0420148 100644
--- a/include/npy/npy.h
+++ b/include/npy/npy.h
@@ -25,8 +25,6 @@
 
 #include "core.h"
 
-using namespace std;
-
 const int STATIC_HEADER_LENGTH = 10;
 
 namespace npy
diff --git a/include/npy/npz.h b/include/npy/npz.h
index f459535..ed87b9a 100644
--- a/include/npy/npz.h
+++ b/include/npy/npz.h
@@ -26,8 +26,6 @@
 #include "npy.h"
 #include "tensor.h"
 
-using namespace std;
-
 namespace npy
 {
 /** Enumeration indicating the compression method to use for data in the NPZ archive. */
diff --git a/src/memstream.cpp b/src/memstream.cpp
index 1f04297..77ab0f3 100644
--- a/src/memstream.cpp
+++ b/src/memstream.cpp
@@ -91,7 +91,7 @@ membuf::pos_type membuf::seekoff(membuf::off_type off, std::ios_base::seekdir wa
     return result;
 }
 
-membuf::pos_type membuf::seekpos(membuf::pos_type pos, ios_base::openmode which)
+membuf::pos_type membuf::seekpos(membuf::pos_type pos, std::ios_base::openmode which)
 {
     membuf::pos_type result(membuf::off_type(-1));
     if (which & std::ios_base::in)