diff --git a/CITATION.cff b/CITATION.cff
index 30175dfb598..d5f292bfe0c 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -4,8 +4,8 @@ title: SageMath
 abstract: SageMath is a free open-source mathematics software system.
 authors:
 - name: "The SageMath Developers"
-version: 10.3.rc2
+version: 10.3.rc3
 doi: 10.5281/zenodo.593563
-date-released: 2024-03-04
+date-released: 2024-03-10
 repository-code: "https://github.com/sagemath/sage"
 url: "https://www.sagemath.org/"
diff --git a/VERSION.txt b/VERSION.txt
index 0480b077d09..8060c85cf47 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-SageMath version 10.3.rc2, Release Date: 2024-03-04
+SageMath version 10.3.rc3, Release Date: 2024-03-10
diff --git a/build/pkgs/configure/checksums.ini b/build/pkgs/configure/checksums.ini
index 24005ec2fb6..7a868333768 100644
--- a/build/pkgs/configure/checksums.ini
+++ b/build/pkgs/configure/checksums.ini
@@ -1,4 +1,4 @@
 tarball=configure-VERSION.tar.gz
-sha1=94530947a520c68ddae7116631005832824b8095
-md5=f0c0956b247562b6f1295a8f1c13fe17
-cksum=1215395867
+sha1=facd0b123855a68d836680b22177058ac3333aad
+md5=180414ef1a73c5cc12a657abb5affb63
+cksum=101476296
diff --git a/build/pkgs/configure/package-version.txt b/build/pkgs/configure/package-version.txt
index 3e29e1c6247..a61b0a3134a 100644
--- a/build/pkgs/configure/package-version.txt
+++ b/build/pkgs/configure/package-version.txt
@@ -1 +1 @@
-6563daf1aa9ba83260fc8e370e1999e3418c4957
+5c45eed9e45a60223067282bb70cdb805d66eeff
diff --git a/build/pkgs/sage_conf/install-requires.txt b/build/pkgs/sage_conf/install-requires.txt
index 09f1d4383d6..950b2d85e30 100644
--- a/build/pkgs/sage_conf/install-requires.txt
+++ b/build/pkgs/sage_conf/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sage-conf ~= 10.3rc2
+sage-conf ~= 10.3rc3
diff --git a/build/pkgs/sage_docbuild/install-requires.txt b/build/pkgs/sage_docbuild/install-requires.txt
index 0308591fab7..fb8bd4c6ec8 100644
--- a/build/pkgs/sage_docbuild/install-requires.txt
+++ b/build/pkgs/sage_docbuild/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sage-docbuild ~= 10.3rc2
+sage-docbuild ~= 10.3rc3
diff --git a/build/pkgs/sage_setup/install-requires.txt b/build/pkgs/sage_setup/install-requires.txt
index 003624a1377..bc940c95321 100644
--- a/build/pkgs/sage_setup/install-requires.txt
+++ b/build/pkgs/sage_setup/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sage-setup ~= 10.3rc2
+sage-setup ~= 10.3rc3
diff --git a/build/pkgs/sage_sws2rst/install-requires.txt b/build/pkgs/sage_sws2rst/install-requires.txt
index 0f0f949e8e1..13d17bb1db4 100644
--- a/build/pkgs/sage_sws2rst/install-requires.txt
+++ b/build/pkgs/sage_sws2rst/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sage-sws2rst ~= 10.3rc2
+sage-sws2rst ~= 10.3rc3
diff --git a/build/pkgs/sagelib/install-requires.txt b/build/pkgs/sagelib/install-requires.txt
index a0c5acf57f9..0b0a3eaf0c3 100644
--- a/build/pkgs/sagelib/install-requires.txt
+++ b/build/pkgs/sagelib/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-standard ~= 10.3rc2
+sagemath-standard ~= 10.3rc3
diff --git a/build/pkgs/sagemath_bliss/install-requires.txt b/build/pkgs/sagemath_bliss/install-requires.txt
index 54d8411557b..c200c1b020f 100644
--- a/build/pkgs/sagemath_bliss/install-requires.txt
+++ b/build/pkgs/sagemath_bliss/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-bliss ~= 10.3rc2
+sagemath-bliss ~= 10.3rc3
diff --git a/build/pkgs/sagemath_categories/install-requires.txt b/build/pkgs/sagemath_categories/install-requires.txt
index 4b5c9e13f31..df3db476971 100644
--- a/build/pkgs/sagemath_categories/install-requires.txt
+++ b/build/pkgs/sagemath_categories/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-categories ~= 10.3rc2
+sagemath-categories ~= 10.3rc3
diff --git a/build/pkgs/sagemath_coxeter3/install-requires.txt b/build/pkgs/sagemath_coxeter3/install-requires.txt
index 49fc98261eb..9045ba17ccb 100644
--- a/build/pkgs/sagemath_coxeter3/install-requires.txt
+++ b/build/pkgs/sagemath_coxeter3/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-coxeter3 ~= 10.3rc2
+sagemath-coxeter3 ~= 10.3rc3
diff --git a/build/pkgs/sagemath_environment/install-requires.txt b/build/pkgs/sagemath_environment/install-requires.txt
index af5d0708df9..84043a926a3 100644
--- a/build/pkgs/sagemath_environment/install-requires.txt
+++ b/build/pkgs/sagemath_environment/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-environment ~= 10.3rc2
+sagemath-environment ~= 10.3rc3
diff --git a/build/pkgs/sagemath_mcqd/install-requires.txt b/build/pkgs/sagemath_mcqd/install-requires.txt
index 10521420f3c..b2eb7ac5cb8 100644
--- a/build/pkgs/sagemath_mcqd/install-requires.txt
+++ b/build/pkgs/sagemath_mcqd/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-mcqd ~= 10.3rc2
+sagemath-mcqd ~= 10.3rc3
diff --git a/build/pkgs/sagemath_meataxe/install-requires.txt b/build/pkgs/sagemath_meataxe/install-requires.txt
index aa01559a846..4abbc869ca9 100644
--- a/build/pkgs/sagemath_meataxe/install-requires.txt
+++ b/build/pkgs/sagemath_meataxe/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-meataxe ~= 10.3rc2
+sagemath-meataxe ~= 10.3rc3
diff --git a/build/pkgs/sagemath_objects/install-requires.txt b/build/pkgs/sagemath_objects/install-requires.txt
index 65e5a6adcee..106eef70a91 100644
--- a/build/pkgs/sagemath_objects/install-requires.txt
+++ b/build/pkgs/sagemath_objects/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-objects ~= 10.3rc2
+sagemath-objects ~= 10.3rc3
diff --git a/build/pkgs/sagemath_repl/install-requires.txt b/build/pkgs/sagemath_repl/install-requires.txt
index 8048e7ac060..752e7f07956 100644
--- a/build/pkgs/sagemath_repl/install-requires.txt
+++ b/build/pkgs/sagemath_repl/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-repl ~= 10.3rc2
+sagemath-repl ~= 10.3rc3
diff --git a/build/pkgs/sagemath_sirocco/install-requires.txt b/build/pkgs/sagemath_sirocco/install-requires.txt
index 64ff32019a5..c40c697ee2f 100644
--- a/build/pkgs/sagemath_sirocco/install-requires.txt
+++ b/build/pkgs/sagemath_sirocco/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-sirocco ~= 10.3rc2
+sagemath-sirocco ~= 10.3rc3
diff --git a/build/pkgs/sagemath_tdlib/install-requires.txt b/build/pkgs/sagemath_tdlib/install-requires.txt
index fad2b2a87eb..f43f4c1fbc5 100644
--- a/build/pkgs/sagemath_tdlib/install-requires.txt
+++ b/build/pkgs/sagemath_tdlib/install-requires.txt
@@ -1,2 +1,2 @@
 # This file is updated on every release by the sage-update-version script
-sagemath-tdlib ~= 10.3rc2
+sagemath-tdlib ~= 10.3rc3
diff --git a/pkgs/sage-conf/VERSION.txt b/pkgs/sage-conf/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sage-conf/VERSION.txt
+++ b/pkgs/sage-conf/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sage-conf_conda/VERSION.txt b/pkgs/sage-conf_conda/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sage-conf_conda/VERSION.txt
+++ b/pkgs/sage-conf_conda/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sage-conf_pypi/VERSION.txt b/pkgs/sage-conf_pypi/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sage-conf_pypi/VERSION.txt
+++ b/pkgs/sage-conf_pypi/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sage-docbuild/VERSION.txt b/pkgs/sage-docbuild/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sage-docbuild/VERSION.txt
+++ b/pkgs/sage-docbuild/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sage-setup/VERSION.txt b/pkgs/sage-setup/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sage-setup/VERSION.txt
+++ b/pkgs/sage-setup/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sage-sws2rst/VERSION.txt b/pkgs/sage-sws2rst/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sage-sws2rst/VERSION.txt
+++ b/pkgs/sage-sws2rst/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-bliss/VERSION.txt b/pkgs/sagemath-bliss/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-bliss/VERSION.txt
+++ b/pkgs/sagemath-bliss/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-categories/VERSION.txt b/pkgs/sagemath-categories/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-categories/VERSION.txt
+++ b/pkgs/sagemath-categories/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-coxeter3/VERSION.txt b/pkgs/sagemath-coxeter3/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-coxeter3/VERSION.txt
+++ b/pkgs/sagemath-coxeter3/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-environment/VERSION.txt b/pkgs/sagemath-environment/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-environment/VERSION.txt
+++ b/pkgs/sagemath-environment/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-mcqd/VERSION.txt b/pkgs/sagemath-mcqd/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-mcqd/VERSION.txt
+++ b/pkgs/sagemath-mcqd/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-meataxe/VERSION.txt b/pkgs/sagemath-meataxe/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-meataxe/VERSION.txt
+++ b/pkgs/sagemath-meataxe/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-objects/VERSION.txt b/pkgs/sagemath-objects/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-objects/VERSION.txt
+++ b/pkgs/sagemath-objects/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-repl/VERSION.txt b/pkgs/sagemath-repl/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-repl/VERSION.txt
+++ b/pkgs/sagemath-repl/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-sirocco/VERSION.txt b/pkgs/sagemath-sirocco/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-sirocco/VERSION.txt
+++ b/pkgs/sagemath-sirocco/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/pkgs/sagemath-tdlib/VERSION.txt b/pkgs/sagemath-tdlib/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/pkgs/sagemath-tdlib/VERSION.txt
+++ b/pkgs/sagemath-tdlib/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/src/VERSION.txt b/src/VERSION.txt
index b33291c9c02..befccbfa1a1 100644
--- a/src/VERSION.txt
+++ b/src/VERSION.txt
@@ -1 +1 @@
-10.3.rc2
+10.3.rc3
diff --git a/src/bin/sage-version.sh b/src/bin/sage-version.sh
index f0cad7cda6a..48feed6d1e2 100644
--- a/src/bin/sage-version.sh
+++ b/src/bin/sage-version.sh
@@ -4,6 +4,6 @@
 # which stops "setup.py develop" from rewriting it as a Python file.
 :
 # This file is auto-generated by the sage-update-version script, do not edit!
-SAGE_VERSION='10.3.rc2'
-SAGE_RELEASE_DATE='2024-03-04'
-SAGE_VERSION_BANNER='SageMath version 10.3.rc2, Release Date: 2024-03-04'
+SAGE_VERSION='10.3.rc3'
+SAGE_RELEASE_DATE='2024-03-10'
+SAGE_VERSION_BANNER='SageMath version 10.3.rc3, Release Date: 2024-03-10'
diff --git a/src/sage/version.py b/src/sage/version.py
index e92696ee471..db691f276ef 100644
--- a/src/sage/version.py
+++ b/src/sage/version.py
@@ -1,5 +1,5 @@
 # Sage version information for Python scripts
 # This file is auto-generated by the sage-update-version script, do not edit!
-version = '10.3.rc2'
-date = '2024-03-04'
-banner = 'SageMath version 10.3.rc2, Release Date: 2024-03-04'
+version = '10.3.rc3'
+date = '2024-03-10'
+banner = 'SageMath version 10.3.rc3, Release Date: 2024-03-10'