diff --git a/Dockerfile.testnet b/Dockerfile.testnet
index 3e5bf54..62b41b8 100644
--- a/Dockerfile.testnet
+++ b/Dockerfile.testnet
@@ -30,6 +30,7 @@ ARG kava_v0_22_0_upgrade_version=v0.22.0-alpha.1
 ARG kava_v0_23_0_upgrade_version=v0.23.0-alpha.0
 ARG kava_v0_24_0_upgrade_version=v0.24.0-alpha.0
 ARG kava_v0_25_0_upgrade_version=v0.25.0-alpha.0
+ARG kava_v0_26_0_upgrade_version=v0.26.0-alpha.0
 
 ENV KAVA_GENESIS_VERSION=$kava_genesis_version
 ENV KAVA_V0_19_0_UPGRADE_VERSION=$kava_v0_19_0_upgrade_version
@@ -44,6 +45,7 @@ ENV KAVA_V0_22_0_UPGRADE_VERSION=$kava_v0_22_0_upgrade_version
 ENV KAVA_V0_23_0_UPGRADE_VERSION=$kava_v0_23_0_upgrade_version
 ENV KAVA_V0_24_0_UPGRADE_VERSION=$kava_v0_24_0_upgrade_version
 ENV KAVA_V0_25_0_UPGRADE_VERSION=$kava_v0_25_0_upgrade_version
+ENV KAVA_V0_26_0_UPGRADE_VERSION=$kava_v0_26_0_upgrade_version
 
 RUN git clone https://github.com/kava-labs/kava \
       && cd kava \
@@ -124,7 +126,13 @@ RUN cd kava \
       && mkdir -p /app/cosmovisor/upgrades/v0.25.0-alpha.0/bin \
       && mv /go/bin/kava /app/cosmovisor/upgrades/v0.25.0-alpha.0/bin
 
-ARG kava_rosetta_version=v7.0.0-beta.1
+RUN cd kava \
+      && git checkout $KAVA_V0_26_0_UPGRADE_VERSION \
+      && make install \
+      && mkdir -p /app/cosmovisor/upgrades/v0.26.0-alpha.0/bin \
+      && mv /go/bin/kava /app/cosmovisor/upgrades/v0.26.0-alpha.0/bin
+
+ARG kava_rosetta_version=v8.0.0-beta.1
 ENV KAVA_ROSETTA_VERSION=$kava_rosetta_version
 
 RUN git clone https://github.com/Kava-Labs/rosetta-kava.git \
diff --git a/Dockerfile.testnet.dev b/Dockerfile.testnet.dev
index 359dc6d..492203a 100644
--- a/Dockerfile.testnet.dev
+++ b/Dockerfile.testnet.dev
@@ -30,6 +30,7 @@ ARG kava_v0_22_0_upgrade_version=v0.22.0-alpha.1
 ARG kava_v0_23_0_upgrade_version=v0.23.0-alpha.0
 ARG kava_v0_24_0_upgrade_version=v0.24.0-alpha.0
 ARG kava_v0_25_0_upgrade_version=v0.25.0-alpha.0
+ARG kava_v0_26_0_upgrade_version=v0.26.0-alpha.0
 
 ENV KAVA_GENESIS_VERSION=$kava_genesis_version
 ENV KAVA_V0_19_0_UPGRADE_VERSION=$kava_v0_19_0_upgrade_version
@@ -44,6 +45,7 @@ ENV KAVA_V0_22_0_UPGRADE_VERSION=$kava_v0_22_0_upgrade_version
 ENV KAVA_V0_23_0_UPGRADE_VERSION=$kava_v0_23_0_upgrade_version
 ENV KAVA_V0_24_0_UPGRADE_VERSION=$kava_v0_24_0_upgrade_version
 ENV KAVA_V0_25_0_UPGRADE_VERSION=$kava_v0_25_0_upgrade_version
+ENV KAVA_V0_26_0_UPGRADE_VERSION=$kava_v0_26_0_upgrade_version
 
 RUN git clone https://github.com/kava-labs/kava \
       && cd kava \
@@ -124,6 +126,12 @@ RUN cd kava \
       && mkdir -p /app/cosmovisor/upgrades/v0.25.0-alpha.0/bin \
       && mv /go/bin/kava /app/cosmovisor/upgrades/v0.25.0-alpha.0/bin
 
+RUN cd kava \
+      && git checkout $KAVA_V0_26_0_UPGRADE_VERSION \
+      && make install \
+      && mkdir -p /app/cosmovisor/upgrades/v0.26.0-alpha.0/bin \
+      && mv /go/bin/kava /app/cosmovisor/upgrades/v0.26.0-alpha.0/bin
+
 COPY . rosetta-kava
 
 RUN cd rosetta-kava \