diff --git a/VERSION.txt b/VERSION.txt
index c196b9216c0..4d4c43bef45 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-SageMath version 8.1.beta2, Release Date: 2017-08-13
+SageMath version 8.1.beta3, Release Date: 2017-08-21
diff --git a/build/pkgs/configure/checksums.ini b/build/pkgs/configure/checksums.ini
index 856db7714d1..85b94f249ff 100644
--- a/build/pkgs/configure/checksums.ini
+++ b/build/pkgs/configure/checksums.ini
@@ -1,4 +1,4 @@
 tarball=configure-VERSION.tar.gz
-sha1=0f56bbb0118c834fec6c7adbe6276245f856092b
-md5=993b6a1f19eafc160cad2a67f17aad8b
-cksum=3308302982
+sha1=363352adff8a24556f5be2791624972dc5fe28bb
+md5=07702bd630145c267351f82b8d8f3a80
+cksum=2278938305
diff --git a/build/pkgs/configure/package-version.txt b/build/pkgs/configure/package-version.txt
index 0c56bea5944..7b5813c6a7e 100644
--- a/build/pkgs/configure/package-version.txt
+++ b/build/pkgs/configure/package-version.txt
@@ -1 +1 @@
-233
+234
diff --git a/src/bin/sage-banner b/src/bin/sage-banner
index 36b751b7de9..8ead55e779f 100644
--- a/src/bin/sage-banner
+++ b/src/bin/sage-banner
@@ -1,5 +1,5 @@
 ┌────────────────────────────────────────────────────────────────────┐
-│ SageMath version 8.1.beta2, Release Date: 2017-08-13               │
+│ SageMath version 8.1.beta3, Release Date: 2017-08-21               │
 │ Type "notebook()" for the browser-based notebook interface.        │
 │ Type "help()" for help.                                            │
 └────────────────────────────────────────────────────────────────────┘
diff --git a/src/bin/sage-version.sh b/src/bin/sage-version.sh
index a7c9e990f2e..bce2bcb8b69 100644
--- a/src/bin/sage-version.sh
+++ b/src/bin/sage-version.sh
@@ -1,4 +1,4 @@
 # Sage version information for shell scripts
 # This file is auto-generated by the sage-update-version script, do not edit!
-SAGE_VERSION='8.1.beta2'
-SAGE_RELEASE_DATE='2017-08-13'
+SAGE_VERSION='8.1.beta3'
+SAGE_RELEASE_DATE='2017-08-21'
diff --git a/src/sage/version.py b/src/sage/version.py
index 6ea14e226a0..e1b8edd27bf 100644
--- a/src/sage/version.py
+++ b/src/sage/version.py
@@ -1,4 +1,4 @@
 # Sage version information for Python scripts
 # This file is auto-generated by the sage-update-version script, do not edit!
-version = '8.1.beta2'
-date = '2017-08-13'
+version = '8.1.beta3'
+date = '2017-08-21'