diff --git a/3.1/Dockerfile b/3.1/Dockerfile
index 3cfce15..df50502 100644
--- a/3.1/Dockerfile
+++ b/3.1/Dockerfile
@@ -14,8 +14,8 @@ ENV QEMU_KEYS \
 
 # https://www.qemu.org/download/#source
 # https://download.qemu.org/?C=M;O=D
-ENV QEMU_VERSION 3.1.0
-ENV QEMU_URL https://download.qemu.org/qemu-3.1.0.tar.xz
+ENV QEMU_VERSION 3.1.1
+ENV QEMU_URL https://download.qemu.org/qemu-3.1.1.tar.xz
 
 RUN set -eux; \
 	\
diff --git a/4.1-rc/Dockerfile b/4.1/Dockerfile
similarity index 97%
rename from 4.1-rc/Dockerfile
rename to 4.1/Dockerfile
index d564750..38c4833 100644
--- a/4.1-rc/Dockerfile
+++ b/4.1/Dockerfile
@@ -14,8 +14,8 @@ ENV QEMU_KEYS \
 
 # https://www.qemu.org/download/#source
 # https://download.qemu.org/?C=M;O=D
-ENV QEMU_VERSION 4.1.0-rc2
-ENV QEMU_URL https://download.qemu.org/qemu-4.1.0-rc2.tar.xz
+ENV QEMU_VERSION 4.1.0
+ENV QEMU_URL https://download.qemu.org/qemu-4.1.0.tar.xz
 
 RUN set -eux; \
 	\
diff --git a/4.1-rc/qemu-signals.patch b/4.1/qemu-signals.patch
similarity index 100%
rename from 4.1-rc/qemu-signals.patch
rename to 4.1/qemu-signals.patch
diff --git a/4.1-rc/start-qemu b/4.1/start-qemu
similarity index 100%
rename from 4.1-rc/start-qemu
rename to 4.1/start-qemu
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index 962ebe3..cad5269 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -2,8 +2,8 @@
 set -Eeuo pipefail
 
 declare -A aliases=(
-	[4.1-rc]='rc'
-	[4.0]='4 latest'
+	[4.2-rc]='rc'
+	[4.1]='4 latest'
 	[3.1]='3'
 )