diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 84d8a7cf2cb..403610bc12f 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -25,4 +25,4 @@ If this is a **feature request**, show what you expect to happen if the feature
 
 
 #### Current Version:
-v4.0.1
+v4.1.0
diff --git a/doxygen/doxygen.cfg b/doxygen/doxygen.cfg
index 35f05c6d394..c9f1755e902 100644
--- a/doxygen/doxygen.cfg
+++ b/doxygen/doxygen.cfg
@@ -38,7 +38,7 @@ PROJECT_NAME           = "Stan Math Library"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 4.0.1
+PROJECT_NUMBER         = 4.1.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/stan/math/version.hpp b/stan/math/version.hpp
index 6c23b8a9e28..3139080562d 100644
--- a/stan/math/version.hpp
+++ b/stan/math/version.hpp
@@ -12,8 +12,8 @@
 #endif
 
 #define STAN_MATH_MAJOR 4
-#define STAN_MATH_MINOR 0
-#define STAN_MATH_PATCH 1
+#define STAN_MATH_MINOR 1
+#define STAN_MATH_PATCH 0
 
 namespace stan {
 namespace math {